#!/usr/bin/env python3
# This script makes RST files from the XML class reference for use with the online docs.
import argparse
import os
import re
import sys
import xml.etree.ElementTree as ET
from collections import OrderedDict
from typing import Any, Dict, List, Optional, TextIO, Tuple, Union
# Import hardcoded version information from version.py
root_directory = os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../")
sys.path.append(root_directory) # Include the root directory
import version # noqa: E402
# $DOCS_URL/path/to/page.html(#fragment-tag)
GODOT_DOCS_PATTERN = re.compile(r"^\$DOCS_URL/(.*)\.html(#.*)?$")
# Based on reStructuredText inline markup recognition rules
# https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#inline-markup-recognition-rules
MARKUP_ALLOWED_PRECEDENT = " -:/'\"<([{"
MARKUP_ALLOWED_SUBSEQUENT = " -.,:;!?\\/'\")]}>"
# Used to translate section headings and other hardcoded strings when required with
# the --lang argument. The BASE_STRINGS list should be synced with what we actually
# write in this script (check `translate()` uses), and also hardcoded in
# `scripts/extract_classes.py` (godotengine/godot-editor-l10n repo) to include them in the source POT file.
BASE_STRINGS = [
"All classes",
"Globals",
"Nodes",
"Resources",
"Editor-only",
"Other objects",
"Variant types",
"Description",
"Tutorials",
"Properties",
"Constructors",
"Methods",
"Operators",
"Theme Properties",
"Signals",
"Enumerations",
"Constants",
"Annotations",
"Property Descriptions",
"Constructor Descriptions",
"Method Descriptions",
"Operator Descriptions",
"Theme Property Descriptions",
"Inherits:",
"Inherited By:",
"(overrides %s)",
"Default",
"Setter",
"value",
"Getter",
"This method should typically be overridden by the user to have any effect.",
"This method has no side effects. It doesn't modify any of the instance's member variables.",
"This method accepts any number of arguments after the ones described here.",
"This method is used to construct a type.",
"This method doesn't need an instance to be called, so it can be called directly using the class name.",
"This method describes a valid operator to use with this type as left-hand operand.",
"This value is an integer composed as a bitmask of the following flags.",
"No return value.",
"There is currently no description for this class. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this signal. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this enum. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this constant. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this annotation. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this property. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this constructor. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this method. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this operator. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There is currently no description for this theme property. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!",
"There are notable differences when using this API with C#. See :ref:`doc_c_sharp_differences` for more information.",
"Deprecated:",
"Experimental:",
"This signal may be changed or removed in future versions.",
"This constant may be changed or removed in future versions.",
"This property may be changed or removed in future versions.",
"This constructor may be changed or removed in future versions.",
"This method may be changed or removed in future versions.",
"This operator may be changed or removed in future versions.",
"This theme property may be changed or removed in future versions.",
"[b]Note:[/b] The returned array is [i]copied[/i] and any changes to it will not update the original property value. See [%s] for more details.",
]
strings_l10n: Dict[str, str] = {}
STYLES: Dict[str, str] = {}
CLASS_GROUPS: Dict[str, str] = {
"global": "Globals",
"node": "Nodes",
"resource": "Resources",
"object": "Other objects",
"editor": "Editor-only",
"variant": "Variant types",
}
CLASS_GROUPS_BASE: Dict[str, str] = {
"node": "Node",
"resource": "Resource",
"object": "Object",
"variant": "Variant",
}
# Sync with editor\register_editor_types.cpp
EDITOR_CLASSES: List[str] = [
"FileSystemDock",
"ScriptCreateDialog",
"ScriptEditor",
"ScriptEditorBase",
]
# Sync with the types mentioned in https://docs.godotengine.org/en/stable/tutorials/scripting/c_sharp/c_sharp_differences.html
CLASSES_WITH_CSHARP_DIFFERENCES: List[str] = [
"@GlobalScope",
"String",
"StringName",
"NodePath",
"Signal",
"Callable",
"RID",
"Basis",
"Transform2D",
"Transform3D",
"Rect2",
"Rect2i",
"AABB",
"Quaternion",
"Projection",
"Color",
"Array",
"Dictionary",
"PackedByteArray",
"PackedColorArray",
"PackedFloat32Array",
"PackedFloat64Array",
"PackedInt32Array",
"PackedInt64Array",
"PackedStringArray",
"PackedVector2Array",
"PackedVector3Array",
"PackedVector4Array",
"Variant",
]
PACKED_ARRAY_TYPES: List[str] = [
"PackedByteArray",
"PackedColorArray",
"PackedFloat32Array",
"PackedFloat64Array",
"PackedInt32Array",
"PackedInt64Array",
"PackedStringArray",
"PackedVector2Array",
"PackedVector3Array",
"PackedVector4Array",
]
class State:
def __init__(self) -> None:
self.num_errors = 0
self.num_warnings = 0
self.classes: OrderedDict[str, ClassDef] = OrderedDict()
self.current_class: str = ""
# Additional content and structure checks and validators.
self.script_language_parity_check: ScriptLanguageParityCheck = ScriptLanguageParityCheck()
def parse_class(self, class_root: ET.Element, filepath: str) -> None:
class_name = class_root.attrib["name"]
self.current_class = class_name
class_def = ClassDef(class_name)
self.classes[class_name] = class_def
class_def.filepath = filepath
inherits = class_root.get("inherits")
if inherits is not None:
class_def.inherits = inherits
class_def.deprecated = class_root.get("deprecated")
class_def.experimental = class_root.get("experimental")
brief_desc = class_root.find("brief_description")
if brief_desc is not None and brief_desc.text:
class_def.brief_description = brief_desc.text
desc = class_root.find("description")
if desc is not None and desc.text:
class_def.description = desc.text
keywords = class_root.get("keywords")
if keywords is not None:
class_def.keywords = keywords
properties = class_root.find("members")
if properties is not None:
for property in properties:
assert property.tag == "member"
property_name = property.attrib["name"]
if property_name in class_def.properties:
print_error(f'{class_name}.xml: Duplicate property "{property_name}".', self)
continue
type_name = TypeName.from_element(property)
setter = property.get("setter") or None # Use or None so '' gets turned into None.
getter = property.get("getter") or None
default_value = property.get("default") or None
if default_value is not None:
default_value = f"``{default_value}``"
overrides = property.get("overrides") or None
property_def = PropertyDef(
property_name, type_name, setter, getter, property.text, default_value, overrides
)
property_def.deprecated = property.get("deprecated")
property_def.experimental = property.get("experimental")
class_def.properties[property_name] = property_def
constructors = class_root.find("constructors")
if constructors is not None:
for constructor in constructors:
assert constructor.tag == "constructor"
method_name = constructor.attrib["name"]
qualifiers = constructor.get("qualifiers")
return_element = constructor.find("return")
if return_element is not None:
return_type = TypeName.from_element(return_element)
else:
return_type = TypeName("void")
params = self.parse_params(constructor, "constructor")
desc_element = constructor.find("description")
method_desc = None
if desc_element is not None:
method_desc = desc_element.text
method_def = MethodDef(method_name, return_type, params, method_desc, qualifiers)
method_def.definition_name = "constructor"
method_def.deprecated = constructor.get("deprecated")
method_def.experimental = constructor.get("experimental")
if method_name not in class_def.constructors:
class_def.constructors[method_name] = []
class_def.constructors[method_name].append(method_def)
methods = class_root.find("methods")
if methods is not None:
for method in methods:
assert method.tag == "method"
method_name = method.attrib["name"]
qualifiers = method.get("qualifiers")
return_element = method.find("return")
if return_element is not None:
return_type = TypeName.from_element(return_element)
else:
return_type = TypeName("void")
params = self.parse_params(method, "method")
desc_element = method.find("description")
method_desc = None
if desc_element is not None:
method_desc = desc_element.text
method_def = MethodDef(method_name, return_type, params, method_desc, qualifiers)
method_def.deprecated = method.get("deprecated")
method_def.experimental = method.get("experimental")
if method_name not in class_def.methods:
class_def.methods[method_name] = []
class_def.methods[method_name].append(method_def)
operators = class_root.find("operators")
if operators is not None:
for operator in operators:
assert operator.tag == "operator"
method_name = operator.attrib["name"]
qualifiers = operator.get("qualifiers")
return_element = operator.find("return")
if return_element is not None:
return_type = TypeName.from_element(return_element)
else:
return_type = TypeName("void")
params = self.parse_params(operator, "operator")
desc_element = operator.find("description")
method_desc = None
if desc_element is not None:
method_desc = desc_element.text
method_def = MethodDef(method_name, return_type, params, method_desc, qualifiers)
method_def.definition_name = "operator"
method_def.deprecated = operator.get("deprecated")
method_def.experimental = operator.get("experimental")
if method_name not in class_def.operators:
class_def.operators[method_name] = []
class_def.operators[method_name].append(method_def)
constants = class_root.find("constants")
if constants is not None:
for constant in constants:
assert constant.tag == "constant"
constant_name = constant.attrib["name"]
value = constant.attrib["value"]
enum = constant.get("enum")
is_bitfield = constant.get("is_bitfield") == "true"
constant_def = ConstantDef(constant_name, value, constant.text, is_bitfield)
constant_def.deprecated = constant.get("deprecated")
constant_def.experimental = constant.get("experimental")
if enum is None:
if constant_name in class_def.constants:
print_error(f'{class_name}.xml: Duplicate constant "{constant_name}".', self)
continue
class_def.constants[constant_name] = constant_def
else:
if enum in class_def.enums:
enum_def = class_def.enums[enum]
else:
enum_def = EnumDef(enum, TypeName("int", enum), is_bitfield)
class_def.enums[enum] = enum_def
enum_def.values[constant_name] = constant_def
annotations = class_root.find("annotations")
if annotations is not None:
for annotation in annotations:
assert annotation.tag == "annotation"
annotation_name = annotation.attrib["name"]
qualifiers = annotation.get("qualifiers")
params = self.parse_params(annotation, "annotation")
desc_element = annotation.find("description")
annotation_desc = None
if desc_element is not None:
annotation_desc = desc_element.text
annotation_def = AnnotationDef(annotation_name, params, annotation_desc, qualifiers)
if annotation_name not in class_def.annotations:
class_def.annotations[annotation_name] = []
class_def.annotations[annotation_name].append(annotation_def)
signals = class_root.find("signals")
if signals is not None:
for signal in signals:
assert signal.tag == "signal"
signal_name = signal.attrib["name"]
if signal_name in class_def.signals:
print_error(f'{class_name}.xml: Duplicate signal "{signal_name}".', self)
continue
params = self.parse_params(signal, "signal")
desc_element = signal.find("description")
signal_desc = None
if desc_element is not None:
signal_desc = desc_element.text
signal_def = SignalDef(signal_name, params, signal_desc)
signal_def.deprecated = signal.get("deprecated")
signal_def.experimental = signal.get("experimental")
class_def.signals[signal_name] = signal_def
theme_items = class_root.find("theme_items")
if theme_items is not None:
for theme_item in theme_items:
assert theme_item.tag == "theme_item"
theme_item_name = theme_item.attrib["name"]
theme_item_data_name = theme_item.attrib["data_type"]
theme_item_id = "{}_{}".format(theme_item_data_name, theme_item_name)
if theme_item_id in class_def.theme_items:
print_error(
f'{class_name}.xml: Duplicate theme property "{theme_item_name}" of type "{theme_item_data_name}".',
self,
)
continue
default_value = theme_item.get("default") or None
if default_value is not None:
default_value = f"``{default_value}``"
theme_item_def = ThemeItemDef(
theme_item_name,
TypeName.from_element(theme_item),
theme_item_data_name,
theme_item.text,
default_value,
)
class_def.theme_items[theme_item_name] = theme_item_def
tutorials = class_root.find("tutorials")
if tutorials is not None:
for link in tutorials:
assert link.tag == "link"
if link.text is not None:
class_def.tutorials.append((link.text.strip(), link.get("title", "")))
self.current_class = ""
def parse_params(self, root: ET.Element, context: str) -> List["ParameterDef"]:
param_elements = root.findall("param")
params: Any = [None] * len(param_elements)
for param_index, param_element in enumerate(param_elements):
param_name = param_element.attrib["name"]
index = int(param_element.attrib["index"])
type_name = TypeName.from_element(param_element)
default = param_element.get("default")
if param_name.strip() == "" or param_name.startswith("_unnamed_arg"):
print_error(
f'{self.current_class}.xml: Empty argument name in {context} "{root.attrib["name"]}" at position {param_index}.',
self,
)
params[index] = ParameterDef(param_name, type_name, default)
cast: List[ParameterDef] = params
return cast
def sort_classes(self) -> None:
self.classes = OrderedDict(sorted(self.classes.items(), key=lambda t: t[0].lower()))
class TagState:
def __init__(self, raw: str, name: str, arguments: str, closing: bool) -> None:
self.raw = raw
self.name = name
self.arguments = arguments
self.closing = closing
class TypeName:
def __init__(self, type_name: str, enum: Optional[str] = None, is_bitfield: bool = False) -> None:
self.type_name = type_name
self.enum = enum
self.is_bitfield = is_bitfield
def to_rst(self, state: State) -> str:
if self.enum is not None:
return make_enum(self.enum, self.is_bitfield, state)
elif self.type_name == "void":
return "|void|"
else:
return make_type(self.type_name, state)
@classmethod
def from_element(cls, element: ET.Element) -> "TypeName":
return cls(element.attrib["type"], element.get("enum"), element.get("is_bitfield") == "true")
class DefinitionBase:
def __init__(
self,
definition_name: str,
name: str,
) -> None:
self.definition_name = definition_name
self.name = name
self.deprecated: Optional[str] = None
self.experimental: Optional[str] = None
class PropertyDef(DefinitionBase):
def __init__(
self,
name: str,
type_name: TypeName,
setter: Optional[str],
getter: Optional[str],
text: Optional[str],
default_value: Optional[str],
overrides: Optional[str],
) -> None:
super().__init__("property", name)
self.type_name = type_name
self.setter = setter
self.getter = getter
self.text = text
self.default_value = default_value
self.overrides = overrides
class ParameterDef(DefinitionBase):
def __init__(self, name: str, type_name: TypeName, default_value: Optional[str]) -> None:
super().__init__("parameter", name)
self.type_name = type_name
self.default_value = default_value
class SignalDef(DefinitionBase):
def __init__(self, name: str, parameters: List[ParameterDef], description: Optional[str]) -> None:
super().__init__("signal", name)
self.parameters = parameters
self.description = description
class AnnotationDef(DefinitionBase):
def __init__(
self,
name: str,
parameters: List[ParameterDef],
description: Optional[str],
qualifiers: Optional[str],
) -> None:
super().__init__("annotation", name)
self.parameters = parameters
self.description = description
self.qualifiers = qualifiers
class MethodDef(DefinitionBase):
def __init__(
self,
name: str,
return_type: TypeName,
parameters: List[ParameterDef],
description: Optional[str],
qualifiers: Optional[str],
) -> None:
super().__init__("method", name)
self.return_type = return_type
self.parameters = parameters
self.description = description
self.qualifiers = qualifiers
class ConstantDef(DefinitionBase):
def __init__(self, name: str, value: str, text: Optional[str], bitfield: bool) -> None:
super().__init__("constant", name)
self.value = value
self.text = text
self.is_bitfield = bitfield
class EnumDef(DefinitionBase):
def __init__(self, name: str, type_name: TypeName, bitfield: bool) -> None:
super().__init__("enum", name)
self.type_name = type_name
self.values: OrderedDict[str, ConstantDef] = OrderedDict()
self.is_bitfield = bitfield
class ThemeItemDef(DefinitionBase):
def __init__(
self, name: str, type_name: TypeName, data_name: str, text: Optional[str], default_value: Optional[str]
) -> None:
super().__init__("theme property", name)
self.type_name = type_name
self.data_name = data_name
self.text = text
self.default_value = default_value
class ClassDef(DefinitionBase):
def __init__(self, name: str) -> None:
super().__init__("class", name)
self.class_group = "variant"
self.editor_class = self._is_editor_class()
self.constants: OrderedDict[str, ConstantDef] = OrderedDict()
self.enums: OrderedDict[str, EnumDef] = OrderedDict()
self.properties: OrderedDict[str, PropertyDef] = OrderedDict()
self.constructors: OrderedDict[str, List[MethodDef]] = OrderedDict()
self.methods: OrderedDict[str, List[MethodDef]] = OrderedDict()
self.operators: OrderedDict[str, List[MethodDef]] = OrderedDict()
self.signals: OrderedDict[str, SignalDef] = OrderedDict()
self.annotations: OrderedDict[str, List[AnnotationDef]] = OrderedDict()
self.theme_items: OrderedDict[str, ThemeItemDef] = OrderedDict()
self.inherits: Optional[str] = None
self.brief_description: Optional[str] = None
self.description: Optional[str] = None
self.tutorials: List[Tuple[str, str]] = []
self.keywords: Optional[str] = None
# Used to match the class with XML source for output filtering purposes.
self.filepath: str = ""
def _is_editor_class(self) -> bool:
if self.name.startswith("Editor"):
return True
if self.name in EDITOR_CLASSES:
return True
return False
def update_class_group(self, state: State) -> None:
group_name = "variant"
if self.name.startswith("@"):
group_name = "global"
elif self.inherits:
inherits = self.inherits.strip()
while inherits in state.classes:
if inherits == "Node":
group_name = "node"
break
if inherits == "Resource":
group_name = "resource"
break
if inherits == "Object":
group_name = "object"
break
inode = state.classes[inherits].inherits
if inode:
inherits = inode.strip()
else:
break
self.class_group = group_name
# Checks if code samples have both GDScript and C# variations.
# For simplicity we assume that a GDScript example is always present, and ignore contexts
# which don't necessarily need C# examples.
class ScriptLanguageParityCheck:
def __init__(self) -> None:
self.hit_map: OrderedDict[str, List[Tuple[DefinitionBase, str]]] = OrderedDict()
self.hit_count = 0
def add_hit(self, class_name: str, context: DefinitionBase, error: str, state: State) -> None:
if class_name in ["@GDScript", "@GlobalScope"]:
return # We don't expect these contexts to have parity.
class_def = state.classes[class_name]
if class_def.class_group == "variant" and class_def.name != "Object":
return # Variant types are replaced with native types in C#, we don't expect parity.
self.hit_count += 1
if class_name not in self.hit_map:
self.hit_map[class_name] = []
self.hit_map[class_name].append((context, error))
# Entry point for the RST generator.
def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument("path", nargs="+", help="A path to an XML file or a directory containing XML files to parse.")
parser.add_argument("--filter", default="", help="The filepath pattern for XML files to filter.")
parser.add_argument("--lang", "-l", default="en", help="Language to use for section headings.")
parser.add_argument(
"--color",
action="store_true",
help="If passed, force colored output even if stdout is not a TTY (useful for continuous integration).",
)
group = parser.add_mutually_exclusive_group()
group.add_argument("--output", "-o", default=".", help="The directory to save output .rst files in.")
group.add_argument(
"--dry-run",
action="store_true",
help="If passed, no output will be generated and XML files are only checked for errors.",
)
parser.add_argument(
"--verbose",
action="store_true",
help="If passed, enables verbose printing.",
)
args = parser.parse_args()
should_color = bool(args.color or sys.stdout.isatty() or os.environ.get("CI"))
# Enable ANSI escape code support on Windows 10 and later (for colored console output).
# <https://github.com/python/cpython/issues/73245>
if should_color and sys.stdout.isatty() and sys.platform == "win32":
try:
from ctypes import WinError, byref, windll # type: ignore
from ctypes.wintypes import DWORD # type: ignore
stdout_handle = windll.kernel32.GetStdHandle(DWORD(-11))
mode = DWORD(0)
if not windll.kernel32.GetConsoleMode(stdout_handle, byref(mode)):
raise WinError()
mode = DWORD(mode.value | 4)
if not windll.kernel32.SetConsoleMode(stdout_handle, mode):
raise WinError()
except Exception:
should_color = False
STYLES["red"] = "\x1b[91m" if should_color else ""
STYLES["green"] = "\x1b[92m" if should_color else ""
STYLES["yellow"] = "\x1b[93m" if should_color else ""
STYLES["bold"] = "\x1b[1m" if should_color else ""
STYLES["regular"] = "\x1b[22m" if should_color else ""
STYLES["reset"] = "\x1b[0m" if should_color else ""
# Retrieve heading translations for the given language.
if not args.dry_run and args.lang != "en":
lang_file = os.path.join(
os.path.dirname(os.path.realpath(__file__)), "..", "translations", "{}.po".format(args.lang)
)
if os.path.exists(lang_file):
try:
import polib # type: ignore
except ImportError:
print("Base template strings localization requires `polib`.")
exit(1)
pofile = polib.pofile(lang_file)
for entry in pofile.translated_entries():
if entry.msgid in BASE_STRINGS:
strings_l10n[entry.msgid] = entry.msgstr
else:
print(f'No PO file at "{lang_file}" for language "{args.lang}".')
print("Checking for errors in the XML class reference...")
file_list: List[str] = []
for path in args.path:
# Cut off trailing slashes so os.path.basename doesn't choke.
if path.endswith("/") or path.endswith("\\"):
path = path[:-1]
if os.path.basename(path) in ["modules", "platform"]:
for subdir, dirs, _ in os.walk(path):
if "doc_classes" in dirs:
doc_dir = os.path.join(subdir, "doc_classes")
class_file_names = (f for f in os.listdir(doc_dir) if f.endswith(".xml"))
file_list += (os.path.join(doc_dir, f) for f in class_file_names)
elif os.path.isdir(path):
file_list += (os.path.join(path, f) for f in os.listdir(path) if f.endswith(".xml"))
elif os.path.isfile(path):
if not path.endswith(".xml"):
print(f'Got non-.xml file "{path}" in input, skipping.')
continue
file_list.append(path)
classes: Dict[str, Tuple[ET.Element, str]] = {}
state = State()
for cur_file in file_list:
try:
tree = ET.parse(cur_file)
except ET.ParseError as e:
print_error(f"{cur_file}: Parse error while reading the file: {e}", state)
continue
doc = tree.getroot()
name = doc.attrib["name"]
if name in classes:
print_error(f'{cur_file}: Duplicate class "{name}".', state)
continue
classes[name] = (doc, cur_file)
for name, data in classes.items():
try:
state.parse_class(data[0], data[1])
except Exception as e:
print_error(f"{name}.xml: Exception while parsing class: {e}", state)
state.sort_classes()
pattern = re.compile(args.filter)
# Create the output folder recursively if it doesn't already exist.
os.makedirs(args.output, exist_ok=True)
print("Generating the RST class reference...")
grouped_classes: Dict[str, List[str]] = {}
for class_name, class_def in state.classes.items():
if args.filter and not pattern.search(class_def.filepath):
continue
state.current_class = class_name
class_def.update_class_group(state)
make_rst_class(class_def, state, args.dry_run, args.output)
if class_def.class_group not in grouped_classes:
grouped_classes[class_def.class_group] = []
grouped_classes[class_def.class_group].append(class_name)
if class_def.editor_class:
if "editor" not in grouped_classes:
grouped_classes["editor"] = []
grouped_classes["editor"].append(class_name)
print("")
print("Generating the index file...")
make_rst_index(grouped_classes, args.dry_run, args.output)
print("")
# Print out checks.
if state.script_language_parity_check.hit_count > 0:
if not args.verbose:
print(
f'{STYLES["yellow"]}{state.script_language_parity_check.hit_count} code samples failed parity check. Use --verbose to get more information.{STYLES["reset"]}'
)
else:
print(
f'{STYLES["yellow"]}{state.script_language_parity_check.hit_count} code samples failed parity check:{STYLES["reset"]}'
)
for class_name in state.script_language_parity_check.hit_map.keys():
class_hits = state.script_language_parity_check.hit_map[class_name]
print(f'{STYLES["yellow"]}- {len(class_hits)} hits in class "{class_name}"{STYLES["reset"]}')
for context, error in class_hits:
print(f" - {error} in {format_context_name(context)}")
print("")
# Print out warnings and errors, or lack thereof, and exit with an appropriate code.
if state.num_warnings >= 2:
print(
f'{STYLES["yellow"]}{state.num_warnings} warnings were found in the class reference XML. Please check the messages above.{STYLES["reset"]}'
)
elif state.num_warnings == 1:
print(
f'{STYLES["yellow"]}1 warning was found in the class reference XML. Please check the messages above.{STYLES["reset"]}'
)
if state.num_errors >= 2:
print(
f'{STYLES["red"]}{state.num_errors} errors were found in the class reference XML. Please check the messages above.{STYLES["reset"]}'
)
elif state.num_errors == 1:
print(
f'{STYLES["red"]}1 error was found in the class reference XML. Please check the messages above.{STYLES["reset"]}'
)
if state.num_warnings == 0 and state.num_errors == 0:
print(f'{STYLES["green"]}No warnings or errors found in the class reference XML.{STYLES["reset"]}')
if not args.dry_run:
print(f"Wrote reStructuredText files for each class to: {args.output}")
else:
exit(1)
# Common helpers.
def print_error(error: str, state: State) -> None:
print(f'{STYLES["red"]}{STYLES["bold"]}ERROR:{STYLES["regular"]} {error}{STYLES["reset"]}')
state.num_errors += 1
def print_warning(warning: str, state: State) -> None:
print(f'{STYLES["yellow"]}{STYLES["bold"]}WARNING:{STYLES["regular"]} {warning}{STYLES["reset"]}')
state.num_warnings += 1
def translate(string: str) -> str:
"""Translate a string based on translations sourced from `doc/translations/*.po`
for a language if defined via the --lang command line argument.
Returns the original string if no translation exists.
"""
return strings_l10n.get(string, string)
def get_git_branch() -> str:
if hasattr(version, "docs") and version.docs != "latest":
return version.docs
return "master"
# Generator methods.
def make_rst_class(class_def: ClassDef, state: State, dry_run: bool, output_dir: str) -> None:
class_name = class_def.name
with open(
os.devnull if dry_run else os.path.join(output_dir, f"class_{class_name.lower()}.rst"),
"w",
encoding="utf-8",
newline="\n",
) as f:
# Remove the "Edit on Github" button from the online docs page.
f.write(":github_url: hide\n\n")
# Add keywords metadata.
if class_def.keywords is not None and class_def.keywords != "":
f.write(f".. meta::\n\t:keywords: {class_def.keywords}\n\n")
# Warn contributors not to edit this file directly.
# Also provide links to the source files for reference.
git_branch = get_git_branch()
source_xml_path = os.path.relpath(class_def.filepath, root_directory).replace("\\", "/")
source_github_url = f"https://github.com/godotengine/godot/tree/{git_branch}/{source_xml_path}"
generator_github_url = f"https://github.com/godotengine/godot/tree/{git_branch}/doc/tools/make_rst.py"
f.write(".. DO NOT EDIT THIS FILE!!!\n")
f.write(".. Generated automatically from Godot engine sources.\n")
f.write(f".. Generator: {generator_github_url}.\n")
f.write(f".. XML source: {source_github_url}.\n\n")
# Document reference id and header.
f.write(f".. _class_{class_name}:\n\n")
f.write(make_heading(class_name, "=", False))
f.write(make_deprecated_experimental(class_def, state))
### INHERITANCE TREE ###
# Ascendants
if class_def.inherits:
inherits = class_def.inherits.strip()
f.write(f'**{translate("Inherits:")}** ')
first = True
while inherits is not None:
if not first:
f.write(" **<** ")
else:
first = False
f.write(make_type(inherits, state))
if inherits not in state.classes:
break # Parent unknown.
inode = state.classes[inherits].inherits
if inode:
inherits = inode.strip()
else:
break
f.write("\n\n")
# Descendants
inherited: List[str] = []
for c in state.classes.values():
if c.inherits and c.inherits.strip() == class_name:
inherited.append(c.name)
if len(inherited):
f.write(f'**{translate("Inherited By:")}** ')
for i, child in enumerate(inherited):
if i > 0:
f.write(", ")
f.write(make_type(child, state))
f.write("\n\n")
### INTRODUCTION ###
has_description = False
# Brief description
if class_def.brief_description is not None and class_def.brief_description.strip() != "":
has_description = True
f.write(f"{format_text_block(class_def.brief_description.strip(), class_def, state)}\n\n")
# Class description
if class_def.description is not None and class_def.description.strip() != "":
has_description = True
f.write(".. rst-class:: classref-introduction-group\n\n")
f.write(make_heading("Description", "-"))
f.write(f"{format_text_block(class_def.description.strip(), class_def, state)}\n\n")
if not has_description:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this class. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
if class_def.name in CLASSES_WITH_CSHARP_DIFFERENCES:
f.write(".. note::\n\n\t")
f.write(
translate(
"There are notable differences when using this API with C#. See :ref:`doc_c_sharp_differences` for more information."
)
+ "\n\n"
)
# Online tutorials
if len(class_def.tutorials) > 0:
f.write(".. rst-class:: classref-introduction-group\n\n")
f.write(make_heading("Tutorials", "-"))
for url, title in class_def.tutorials:
f.write(f"- {make_link(url, title)}\n\n")
### REFERENCE TABLES ###
# Reused container for reference tables.
ml: List[Tuple[Optional[str], ...]] = []
# Properties reference table
if len(class_def.properties) > 0:
f.write(".. rst-class:: classref-reftable-group\n\n")
f.write(make_heading("Properties", "-"))
ml = []
for property_def in class_def.properties.values():
type_rst = property_def.type_name.to_rst(state)
default = property_def.default_value
if default is not None and property_def.overrides:
ref = (
f":ref:`{property_def.overrides}<class_{property_def.overrides}_property_{property_def.name}>`"
)
# Not using translate() for now as it breaks table formatting.
ml.append((type_rst, property_def.name, f"{default} (overrides {ref})"))
else:
ref = f":ref:`{property_def.name}<class_{class_name}_property_{property_def.name}>`"
ml.append((type_rst, ref, default))
format_table(f, ml, True)
# Constructors, Methods, Operators reference tables
if len(class_def.constructors) > 0:
f.write(".. rst-class:: classref-reftable-group\n\n")
f.write(make_heading("Constructors", "-"))
ml = []
for method_list in class_def.constructors.values():
for m in method_list:
ml.append(make_method_signature(class_def, m, "constructor", state))
format_table(f, ml)
if len(class_def.methods) > 0:
f.write(".. rst-class:: classref-reftable-group\n\n")
f.write(make_heading("Methods", "-"))
ml = []
for method_list in class_def.methods.values():
for m in method_list:
ml.append(make_method_signature(class_def, m, "method", state))
format_table(f, ml)
if len(class_def.operators) > 0:
f.write(".. rst-class:: classref-reftable-group\n\n")
f.write(make_heading("Operators", "-"))
ml = []
for method_list in class_def.operators.values():
for m in method_list:
ml.append(make_method_signature(class_def, m, "operator", state))
format_table(f, ml)
# Theme properties reference table
if len(class_def.theme_items) > 0:
f.write(".. rst-class:: classref-reftable-group\n\n")
f.write(make_heading("Theme Properties", "-"))
ml = []
for theme_item_def in class_def.theme_items.values():
ref = f":ref:`{theme_item_def.name}<class_{class_name}_theme_{theme_item_def.data_name}_{theme_item_def.name}>`"
ml.append((theme_item_def.type_name.to_rst(state), ref, theme_item_def.default_value))
format_table(f, ml, True)
### DETAILED DESCRIPTIONS ###
# Signal descriptions
if len(class_def.signals) > 0:
f.write(make_separator(True))
f.write(".. rst-class:: classref-descriptions-group\n\n")
f.write(make_heading("Signals", "-"))
index = 0
for signal in class_def.signals.values():
if index != 0:
f.write(make_separator())
# Create signal signature and anchor point.
signal_anchor = f"class_{class_name}_signal_{signal.name}"
f.write(f".. _{signal_anchor}:\n\n")
self_link = f":ref:`🔗<{signal_anchor}>`"
f.write(".. rst-class:: classref-signal\n\n")
_, signature = make_method_signature(class_def, signal, "", state)
f.write(f"{signature} {self_link}\n\n")
# Add signal description, or a call to action if it's missing.
f.write(make_deprecated_experimental(signal, state))
if signal.description is not None and signal.description.strip() != "":
f.write(f"{format_text_block(signal.description.strip(), signal, state)}\n\n")
elif signal.deprecated is None and signal.experimental is None:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this signal. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
index += 1
# Enumeration descriptions
if len(class_def.enums) > 0:
f.write(make_separator(True))
f.write(".. rst-class:: classref-descriptions-group\n\n")
f.write(make_heading("Enumerations", "-"))
index = 0
for e in class_def.enums.values():
if index != 0:
f.write(make_separator())
# Create enumeration signature and anchor point.
enum_anchor = f"enum_{class_name}_{e.name}"
f.write(f".. _{enum_anchor}:\n\n")
self_link = f":ref:`🔗<{enum_anchor}>`"
f.write(".. rst-class:: classref-enumeration\n\n")
if e.is_bitfield:
f.write(f"flags **{e.name}**: {self_link}\n\n")
else:
f.write(f"enum **{e.name}**: {self_link}\n\n")
for value in e.values.values():
# Also create signature and anchor point for each enum constant.
f.write(f".. _class_{class_name}_constant_{value.name}:\n\n")
f.write(".. rst-class:: classref-enumeration-constant\n\n")
f.write(f"{e.type_name.to_rst(state)} **{value.name}** = ``{value.value}``\n\n")
# Add enum constant description.
f.write(make_deprecated_experimental(value, state))
if value.text is not None and value.text.strip() != "":
f.write(f"{format_text_block(value.text.strip(), value, state)}")
elif value.deprecated is None and value.experimental is None:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this enum. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
f.write("\n\n")
index += 1
# Constant descriptions
if len(class_def.constants) > 0:
f.write(make_separator(True))
f.write(".. rst-class:: classref-descriptions-group\n\n")
f.write(make_heading("Constants", "-"))
for constant in class_def.constants.values():
# Create constant signature and anchor point.
constant_anchor = f"class_{class_name}_constant_{constant.name}"
f.write(f".. _{constant_anchor}:\n\n")
self_link = f":ref:`🔗<{constant_anchor}>`"
f.write(".. rst-class:: classref-constant\n\n")
f.write(f"**{constant.name}** = ``{constant.value}`` {self_link}\n\n")
# Add constant description.
f.write(make_deprecated_experimental(constant, state))
if constant.text is not None and constant.text.strip() != "":
f.write(f"{format_text_block(constant.text.strip(), constant, state)}")
elif constant.deprecated is None and constant.experimental is None:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this constant. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
f.write("\n\n")
# Annotation descriptions
if len(class_def.annotations) > 0:
f.write(make_separator(True))
f.write(make_heading("Annotations", "-"))
index = 0
for method_list in class_def.annotations.values(): # type: ignore
for i, m in enumerate(method_list):
if index != 0:
f.write(make_separator())
# Create annotation signature and anchor point.
self_link = ""
if i == 0:
annotation_anchor = f"class_{class_name}_annotation_{m.name}"
f.write(f".. _{annotation_anchor}:\n\n")
self_link = f" :ref:`🔗<{annotation_anchor}>`"
f.write(".. rst-class:: classref-annotation\n\n")
_, signature = make_method_signature(class_def, m, "", state)
f.write(f"{signature}{self_link}\n\n")
# Add annotation description, or a call to action if it's missing.
if m.description is not None and m.description.strip() != "":
f.write(f"{format_text_block(m.description.strip(), m, state)}\n\n")
else:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this annotation. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
index += 1
# Property descriptions
if any(not p.overrides for p in class_def.properties.values()) > 0:
f.write(make_separator(True))
f.write(".. rst-class:: classref-descriptions-group\n\n")
f.write(make_heading("Property Descriptions", "-"))
index = 0
for property_def in class_def.properties.values():
if property_def.overrides:
continue
if index != 0:
f.write(make_separator())
# Create property signature and anchor point.
property_anchor = f"class_{class_name}_property_{property_def.name}"
f.write(f".. _{property_anchor}:\n\n")
self_link = f":ref:`🔗<{property_anchor}>`"
f.write(".. rst-class:: classref-property\n\n")
property_default = ""
if property_def.default_value is not None:
property_default = f" = {property_def.default_value}"
f.write(
f"{property_def.type_name.to_rst(state)} **{property_def.name}**{property_default} {self_link}\n\n"
)
# Create property setter and getter records.
property_setget = ""
if property_def.setter is not None and not property_def.setter.startswith("_"):
property_setter = make_setter_signature(class_def, property_def, state)
property_setget += f"- {property_setter}\n"
if property_def.getter is not None and not property_def.getter.startswith("_"):
property_getter = make_getter_signature(class_def, property_def, state)
property_setget += f"- {property_getter}\n"
if property_setget != "":
f.write(".. rst-class:: classref-property-setget\n\n")
f.write(property_setget)
f.write("\n")
# Add property description, or a call to action if it's missing.
f.write(make_deprecated_experimental(property_def, state))
if property_def.text is not None and property_def.text.strip() != "":
f.write(f"{format_text_block(property_def.text.strip(), property_def, state)}\n\n")
elif property_def.deprecated is None and property_def.experimental is None:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this property. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
# Add copy note to built-in properties returning `Packed*Array`.
if property_def.type_name.type_name in PACKED_ARRAY_TYPES:
copy_note = f"[b]Note:[/b] The returned array is [i]copied[/i] and any changes to it will not update the original property value. See [{property_def.type_name.type_name}] for more details."
f.write(f"{format_text_block(copy_note, property_def, state)}\n\n")
index += 1
# Constructor, Method, Operator descriptions
if len(class_def.constructors) > 0:
f.write(make_separator(True))
f.write(".. rst-class:: classref-descriptions-group\n\n")
f.write(make_heading("Constructor Descriptions", "-"))
index = 0
for method_list in class_def.constructors.values():
for i, m in enumerate(method_list):
if index != 0:
f.write(make_separator())
# Create constructor signature and anchor point.
self_link = ""
if i == 0:
constructor_anchor = f"class_{class_name}_constructor_{m.name}"
f.write(f".. _{constructor_anchor}:\n\n")
self_link = f" :ref:`🔗<{constructor_anchor}>`"
f.write(".. rst-class:: classref-constructor\n\n")
ret_type, signature = make_method_signature(class_def, m, "", state)
f.write(f"{ret_type} {signature}{self_link}\n\n")
# Add constructor description, or a call to action if it's missing.
f.write(make_deprecated_experimental(m, state))
if m.description is not None and m.description.strip() != "":
f.write(f"{format_text_block(m.description.strip(), m, state)}\n\n")
elif m.deprecated is None and m.experimental is None:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this constructor. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
index += 1
if len(class_def.methods) > 0:
f.write(make_separator(True))
f.write(".. rst-class:: classref-descriptions-group\n\n")
f.write(make_heading("Method Descriptions", "-"))
index = 0
for method_list in class_def.methods.values():
for i, m in enumerate(method_list):
if index != 0:
f.write(make_separator())
# Create method signature and anchor point.
self_link = ""
if i == 0:
method_qualifier = ""
if m.name.startswith("_"):
method_qualifier = "private_"
method_anchor = f"class_{class_name}_{method_qualifier}method_{m.name}"
f.write(f".. _{method_anchor}:\n\n")
self_link = f" :ref:`🔗<{method_anchor}>`"
f.write(".. rst-class:: classref-method\n\n")
ret_type, signature = make_method_signature(class_def, m, "", state)
f.write(f"{ret_type} {signature}{self_link}\n\n")
# Add method description, or a call to action if it's missing.
f.write(make_deprecated_experimental(m, state))
if m.description is not None and m.description.strip() != "":
f.write(f"{format_text_block(m.description.strip(), m, state)}\n\n")
elif m.deprecated is None and m.experimental is None:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this method. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
index += 1
if len(class_def.operators) > 0:
f.write(make_separator(True))
f.write(".. rst-class:: classref-descriptions-group\n\n")
f.write(make_heading("Operator Descriptions", "-"))
index = 0
for method_list in class_def.operators.values():
for i, m in enumerate(method_list):
if index != 0:
f.write(make_separator())
# Create operator signature and anchor point.
operator_anchor = f"class_{class_name}_operator_{sanitize_operator_name(m.name, state)}"
for parameter in m.parameters:
operator_anchor += f"_{parameter.type_name.type_name}"
f.write(f".. _{operator_anchor}:\n\n")
self_link = f":ref:`🔗<{operator_anchor}>`"
f.write(".. rst-class:: classref-operator\n\n")
ret_type, signature = make_method_signature(class_def, m, "", state)
f.write(f"{ret_type} {signature} {self_link}\n\n")
# Add operator description, or a call to action if it's missing.
f.write(make_deprecated_experimental(m, state))
if m.description is not None and m.description.strip() != "":
f.write(f"{format_text_block(m.description.strip(), m, state)}\n\n")
elif m.deprecated is None and m.experimental is None:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this operator. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
index += 1
# Theme property descriptions
if len(class_def.theme_items) > 0:
f.write(make_separator(True))
f.write(".. rst-class:: classref-descriptions-group\n\n")
f.write(make_heading("Theme Property Descriptions", "-"))
index = 0
for theme_item_def in class_def.theme_items.values():
if index != 0:
f.write(make_separator())
# Create theme property signature and anchor point.
theme_item_anchor = f"class_{class_name}_theme_{theme_item_def.data_name}_{theme_item_def.name}"
f.write(f".. _{theme_item_anchor}:\n\n")
self_link = f":ref:`🔗<{theme_item_anchor}>`"
f.write(".. rst-class:: classref-themeproperty\n\n")
theme_item_default = ""
if theme_item_def.default_value is not None:
theme_item_default = f" = {theme_item_def.default_value}"
f.write(
f"{theme_item_def.type_name.to_rst(state)} **{theme_item_def.name}**{theme_item_default} {self_link}\n\n"
)
# Add theme property description, or a call to action if it's missing.
f.write(make_deprecated_experimental(theme_item_def, state))
if theme_item_def.text is not None and theme_item_def.text.strip() != "":
f.write(f"{format_text_block(theme_item_def.text.strip(), theme_item_def, state)}\n\n")
elif theme_item_def.deprecated is None and theme_item_def.experimental is None:
f.write(".. container:: contribute\n\n\t")
f.write(
translate(
"There is currently no description for this theme property. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!"
)
+ "\n\n"
)
index += 1
f.write(make_footer())
def make_type(klass: str, state: State) -> str:
if klass.find("*") != -1: # Pointer, ignore
return f"``{klass}``"
def resolve_type(link_type: str) -> str:
if link_type in state.classes:
return f":ref:`{link_type}<class_{link_type}>`"
else:
print_error(f'{state.current_class}.xml: Unresolved type "{link_type}".', state)
return f"``{link_type}``"
if klass.endswith("[]"): # Typed array, strip [] to link to contained type.
return f":ref:`Array<class_Array>`\\[{resolve_type(klass[:-len('[]')])}\\]"
if klass.startswith("Dictionary["): # Typed dictionary, split elements to link contained types.
parts = klass[len("Dictionary[") : -len("]")].partition(", ")
key = parts[0]
value = parts[2]
return f":ref:`Dictionary<class_Dictionary>`\\[{resolve_type(key)}, {resolve_type(value)}\\]"
return resolve_type(klass)
def make_enum(t: str, is_bitfield: bool, state: State) -> str:
p = t.find(".")
if p >= 0:
c = t[0:p]
e = t[p + 1 :]
# Variant enums live in GlobalScope but still use periods.
if c == "Variant":
c = "@GlobalScope"
e = "Variant." + e
else:
c = state.current_class
e = t
if c in state.classes and e not in state.classes[c].enums:
c = "@GlobalScope"
if c in state.classes and e in state.classes[c].enums:
if is_bitfield:
if not state.classes[c].enums[e].is_bitfield:
print_error(f'{state.current_class}.xml: Enum "{t}" is not bitfield.', state)
return f"|bitfield|\\[:ref:`{e}<enum_{c}_{e}>`\\]"
else:
return f":ref:`{e}<enum_{c}_{e}>`"
# Don't fail for `Vector3.Axis`, as this enum is a special case which is expected not to be resolved.
if f"{c}.{e}" != "Vector3.Axis":
print_error(f'{state.current_class}.xml: Unresolved enum "{t}".', state)
return t
def make_method_signature(
class_def: ClassDef, definition: Union[AnnotationDef, MethodDef, SignalDef], ref_type: str, state: State
) -> Tuple[str, str]:
ret_type = ""
if isinstance(definition, MethodDef):
ret_type = definition.return_type.to_rst(state)
qualifiers = None
if isinstance(definition, (MethodDef, AnnotationDef)):
qualifiers = definition.qualifiers
out = ""
if isinstance(definition, MethodDef) and ref_type != "":
if ref_type == "operator":
op_name = definition.name.replace("<", "\\<") # So operator "<" gets correctly displayed.
out += f":ref:`{op_name}<class_{class_def.name}_{ref_type}_{sanitize_operator_name(definition.name, state)}"
for parameter in definition.parameters:
out += f"_{parameter.type_name.type_name}"
out += ">`"
elif ref_type == "method":
ref_type_qualifier = ""
if definition.name.startswith("_"):
ref_type_qualifier = "private_"
out += f":ref:`{definition.name}<class_{class_def.name}_{ref_type_qualifier}{ref_type}_{definition.name}>`"
else:
out += f":ref:`{definition.name}<class_{class_def.name}_{ref_type}_{definition.name}>`"
else:
out += f"**{definition.name}**"
out += "\\ ("
for i, arg in enumerate(definition.parameters):
if i > 0:
out += ", "
else:
out += "\\ "
out += f"{arg.name}\\: {arg.type_name.to_rst(state)}"
if arg.default_value is not None:
out += f" = {arg.default_value}"
if qualifiers is not None and "vararg" in qualifiers:
if len(definition.parameters) > 0:
out += ", ..."
else:
out += "\\ ..."
out += "\\ )"
if qualifiers is not None:
# Use substitutions for abbreviations. This is used to display tooltips on hover.
# See `make_footer()` for descriptions.
for qualifier in qualifiers.split():
out += f" |{qualifier}|"
return ret_type, out
def make_setter_signature(class_def: ClassDef, property_def: PropertyDef, state: State) -> str:
if property_def.setter is None:
return ""
# If setter is a method available as a method definition, we use that.
if property_def.setter in class_def.methods:
setter = class_def.methods[property_def.setter][0]
# Otherwise we fake it with the information we have available.
else:
setter_params: List[ParameterDef] = []
setter_params.append(ParameterDef("value", property_def.type_name, None))
setter = MethodDef(property_def.setter, TypeName("void"), setter_params, None, None)
ret_type, signature = make_method_signature(class_def, setter, "", state)
return f"{ret_type} {signature}"
def make_getter_signature(class_def: ClassDef, property_def: PropertyDef, state: State) -> str:
if property_def.getter is None:
return ""
# If getter is a method available as a method definition, we use that.
if property_def.getter in class_def.methods:
getter = class_def.methods[property_def.getter][0]
# Otherwise we fake it with the information we have available.
else:
getter_params: List[ParameterDef] = []
getter = MethodDef(property_def.getter, property_def.type_name, getter_params, None, None)
ret_type, signature = make_method_signature(class_def, getter, "", state)
return f"{ret_type} {signature}"
def make_deprecated_experimental(item: DefinitionBase, state: State) -> str:
result = ""
if item.deprecated is not None:
deprecated_prefix = translate("Deprecated:")
if item.deprecated.strip() == "":
default_message = translate(f"This {item.definition_name} may be changed or removed in future versions.")
result += f"**{deprecated_prefix}** {default_message}\n\n"
else:
result += f"**{deprecated_prefix}** {format_text_block(item.deprecated.strip(), item, state)}\n\n"
if item.experimental is not None:
experimental_prefix = translate("Experimental:")
if item.experimental.strip() == "":
default_message = translate(f"This {item.definition_name} may be changed or removed in future versions.")
result += f"**{experimental_prefix}** {default_message}\n\n"
else:
result += f"**{experimental_prefix}** {format_text_block(item.experimental.strip(), item, state)}\n\n"
return result
def make_heading(title: str, underline: str, l10n: bool = True) -> str:
if l10n:
new_title = translate(title)
if new_title != title:
title = new_title
underline *= 2 # Double length to handle wide chars.
return f"{title}\n{(underline * len(title))}\n\n"
def make_footer() -> str:
# Generate reusable abbreviation substitutions.
# This way, we avoid bloating the generated rST with duplicate abbreviations.
virtual_msg = translate("This method should typically be overridden by the user to have any effect.")
const_msg = translate("This method has no side effects. It doesn't modify any of the instance's member variables.")
vararg_msg = translate("This method accepts any number of arguments after the ones described here.")
constructor_msg = translate("This method is used to construct a type.")
static_msg = translate(
"This method doesn't need an instance to be called, so it can be called directly using the class name."
)
operator_msg = translate("This method describes a valid operator to use with this type as left-hand operand.")
bitfield_msg = translate("This value is an integer composed as a bitmask of the following flags.")
void_msg = translate("No return value.")
return (
f".. |virtual| replace:: :abbr:`virtual ({virtual_msg})`\n"
f".. |const| replace:: :abbr:`const ({const_msg})`\n"
f".. |vararg| replace:: :abbr:`vararg ({vararg_msg})`\n"
f".. |constructor| replace:: :abbr:`constructor ({constructor_msg})`\n"
f".. |static| replace:: :abbr:`static ({static_msg})`\n"
f".. |operator| replace:: :abbr:`operator ({operator_msg})`\n"
f".. |bitfield| replace:: :abbr:`BitField ({bitfield_msg})`\n"
f".. |void| replace:: :abbr:`void ({void_msg})`\n"
)
def make_separator(section_level: bool = False) -> str:
separator_class = "item"
if section_level:
separator_class = "section"
return f".. rst-class:: classref-{separator_class}-separator\n\n----\n\n"
def make_link(url: str, title: str) -> str:
match = GODOT_DOCS_PATTERN.search(url)
if match:
groups = match.groups()
if match.lastindex == 2:
# Doc reference with fragment identifier: emit direct link to section with reference to page, for example:
# `#calling-javascript-from-script in Exporting For Web`
# Or use the title if provided.
if title != "":
return f"`{title} <../{groups[0]}.html{groups[1]}>`__"
return f"`{groups[1]} <../{groups[0]}.html{groups[1]}>`__ in :doc:`../{groups[0]}`"
elif match.lastindex == 1:
# Doc reference, for example:
# `Math`
if title != "":
return f":doc:`{title} <../{groups[0]}>`"
return f":doc:`../{groups[0]}`"
# External link, for example:
# `http://enet.bespin.org/usergroup0.html`
if title != "":
return f"`{title} <{url}>`__"
return f"`{url} <{url}>`__"
def make_rst_index(grouped_classes: Dict[str, List[str]], dry_run: bool, output_dir: str) -> None:
with open(
os.devnull if dry_run else os.path.join(output_dir, "index.rst"), "w", encoding="utf-8", newline="\n"
) as f:
# Remove the "Edit on Github" button from the online docs page, and disallow user-contributed notes
# on the index page. User-contributed notes are allowed on individual class pages.
f.write(":github_url: hide\n:allow_comments: False\n\n")
# Warn contributors not to edit this file directly.
# Also provide links to the source files for reference.
git_branch = get_git_branch()
generator_github_url = f"https://github.com/godotengine/godot/tree/{git_branch}/doc/tools/make_rst.py"
f.write(".. DO NOT EDIT THIS FILE!!!\n")
f.write(".. Generated automatically from Godot engine sources.\n")
f.write(f".. Generator: {generator_github_url}.\n\n")
f.write(".. _doc_class_reference:\n\n")
f.write(make_heading("All classes", "="))
for group_name in CLASS_GROUPS:
if group_name in grouped_classes:
f.write(make_heading(CLASS_GROUPS[group_name], "="))
f.write(".. toctree::\n")
f.write(" :maxdepth: 1\n")
f.write(f" :name: toc-class-ref-{group_name}s\n")
f.write("\n")
if group_name in CLASS_GROUPS_BASE:
f.write(f" class_{CLASS_GROUPS_BASE[group_name].lower()}\n")
for class_name in grouped_classes[group_name]:
if group_name in CLASS_GROUPS_BASE and CLASS_GROUPS_BASE[group_name].lower() == class_name.lower():
continue
f.write(f" class_{class_name.lower()}\n")
f.write("\n")
# Formatting helpers.
RESERVED_FORMATTING_TAGS = ["i", "b", "u", "lb", "rb", "code", "kbd", "center", "url", "br"]
RESERVED_LAYOUT_TAGS = ["codeblocks"]
RESERVED_CODEBLOCK_TAGS = ["codeblock", "gdscript", "csharp"]
RESERVED_CROSSLINK_TAGS = [
"method",
"constructor",
"operator",
"member",
"signal",
"constant",
"enum",
"annotation",
"theme_item",
"param",
]
def is_in_tagset(tag_text: str, tagset: List[str]) -> bool:
for tag in tagset:
# Complete match.
if tag_text == tag:
return True
# Tag with arguments.
if tag_text.startswith(tag + " "):
return True
# Tag with arguments, special case for [url], [color], and [font].
if tag_text.startswith(tag + "="):
return True
return False
def get_tag_and_args(tag_text: str) -> TagState:
tag_name = tag_text
arguments: str = ""
delim_pos = -1
space_pos = tag_text.find(" ")
if space_pos >= 0:
delim_pos = space_pos
# Special case for [url], [color], and [font].
assign_pos = tag_text.find("=")
if assign_pos >= 0 and (delim_pos < 0 or assign_pos < delim_pos):
delim_pos = assign_pos
if delim_pos >= 0:
tag_name = tag_text[:delim_pos]
arguments = tag_text[delim_pos + 1 :].strip()
closing = False
if tag_name.startswith("/"):
tag_name = tag_name[1:]
closing = True
return TagState(tag_text, tag_name, arguments, closing)
def parse_link_target(link_target: str, state: State, context_name: str) -> List[str]:
if link_target.find(".") != -1:
return link_target.split(".")
else:
return [state.current_class, link_target]
def format_text_block(
text: str,
context: DefinitionBase,
state: State,
) -> str:
# Linebreak + tabs in the XML should become two line breaks unless in a "codeblock"
pos = 0
while True:
pos = text.find("\n", pos)
if pos == -1:
break
pre_text = text[:pos]
indent_level = 0
while pos + 1 < len(text) and text[pos + 1] == "\t":
pos += 1
indent_level += 1
post_text = text[pos + 1 :]
# Handle codeblocks
if (
post_text.startswith("[codeblock]")
or post_text.startswith("[codeblock ")
or post_text.startswith("[gdscript]")
or post_text.startswith("[gdscript ")
or post_text.startswith("[csharp]")
or post_text.startswith("[csharp ")
):
tag_text = post_text[1:].split("]", 1)[0]
tag_state = get_tag_and_args(tag_text)
result = format_codeblock(tag_state, post_text, indent_level, state)
if result is None:
return ""
text = f"{pre_text}{result[0]}"
pos += result[1] - indent_level
# Handle normal text
else:
text = f"{pre_text}\n\n{post_text}"
pos += 2 - indent_level
next_brac_pos = text.find("[")
text = escape_rst(text, next_brac_pos)
context_name = format_context_name(context)
# Handle [tags]
inside_code = False
inside_code_tag = ""
inside_code_tabs = False
ignore_code_warnings = False
code_warning_if_intended_string = "If this is intended, use [code skip-lint]...[/code]."
has_codeblocks_gdscript = False
has_codeblocks_csharp = False
pos = 0
tag_depth = 0
while True:
pos = text.find("[", pos)
if pos == -1:
break
endq_pos = text.find("]", pos + 1)
if endq_pos == -1:
break
pre_text = text[:pos]
post_text = text[endq_pos + 1 :]
tag_text = text[pos + 1 : endq_pos]
escape_pre = False
escape_post = False
# Tag is a reference to a class.
if tag_text in state.classes and not inside_code:
if tag_text == state.current_class:
# Don't create a link to the same class, format it as strong emphasis.
tag_text = f"**{tag_text}**"
else:
tag_text = make_type(tag_text, state)
escape_pre = True
escape_post = True
# Tag is a cross-reference or a formatting directive.
else:
tag_state = get_tag_and_args(tag_text)
# Anything identified as a tag inside of a code block is valid,
# unless it's a matching closing tag.
if inside_code:
# Exiting codeblocks and inline code tags.
if tag_state.closing and tag_state.name == inside_code_tag:
if is_in_tagset(tag_state.name, RESERVED_CODEBLOCK_TAGS):
tag_text = ""
tag_depth -= 1
inside_code = False
ignore_code_warnings = False
# Strip newline if the tag was alone on one
if pre_text[-1] == "\n":
pre_text = pre_text[:-1]
elif is_in_tagset(tag_state.name, ["code"]):
tag_text = "``"
tag_depth -= 1
inside_code = False
ignore_code_warnings = False
escape_post = True
else:
if not ignore_code_warnings and tag_state.closing:
print_warning(
f'{state.current_class}.xml: Found a code string that looks like a closing tag "[{tag_state.raw}]" in {context_name}. {code_warning_if_intended_string}',
state,
)
tag_text = f"[{tag_text}]"
# Entering codeblocks and inline code tags.
elif tag_state.name == "codeblocks":
if tag_state.closing:
if not has_codeblocks_gdscript or not has_codeblocks_csharp:
state.script_language_parity_check.add_hit(
state.current_class,
context,
"Only one script language sample found in [codeblocks]",
state,
)
has_codeblocks_gdscript = False
has_codeblocks_csharp = False
tag_depth -= 1
tag_text = ""
inside_code_tabs = False
else:
tag_depth += 1
tag_text = "\n.. tabs::"
inside_code_tabs = True
elif is_in_tagset(tag_state.name, RESERVED_CODEBLOCK_TAGS):
tag_depth += 1
if tag_state.name == "gdscript":
if not inside_code_tabs:
print_error(
f"{state.current_class}.xml: GDScript code block is used outside of [codeblocks] in {context_name}.",
state,
)
else:
has_codeblocks_gdscript = True
tag_text = "\n .. code-tab:: gdscript\n"
elif tag_state.name == "csharp":
if not inside_code_tabs:
print_error(
f"{state.current_class}.xml: C# code block is used outside of [codeblocks] in {context_name}.",
state,
)
else:
has_codeblocks_csharp = True
tag_text = "\n .. code-tab:: csharp\n"
else:
state.script_language_parity_check.add_hit(
state.current_class,
context,
"Code sample is formatted with [codeblock] where [codeblocks] should be used",
state,
)
if "lang=text" in tag_state.arguments.split(" "):
tag_text = "\n.. code:: text\n"
else:
tag_text = "\n::\n"
inside_code = True
inside_code_tag = tag_state.name
ignore_code_warnings = "skip-lint" in tag_state.arguments.split(" ")
elif is_in_tagset(tag_state.name, ["code"]):
tag_text = "``"
tag_depth += 1
inside_code = True
inside_code_tag = "code"
ignore_code_warnings = "skip-lint" in tag_state.arguments.split(" ")
escape_pre = True
if not ignore_code_warnings:
endcode_pos = text.find("[/code]", endq_pos + 1)
if endcode_pos == -1:
print_error(
f"{state.current_class}.xml: Tag depth mismatch for [code]: no closing [/code] in {context_name}.",
state,
)
break
inside_code_text = text[endq_pos + 1 : endcode_pos]
if inside_code_text.endswith("()"):
# It's formatted like a call for some reason, may still be a mistake.
inside_code_text = inside_code_text[:-2]
if inside_code_text in state.classes:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches one of the known classes in {context_name}. {code_warning_if_intended_string}',
state,
)
target_class_name, target_name, *rest = parse_link_target(inside_code_text, state, context_name)
if len(rest) == 0 and target_class_name in state.classes:
class_def = state.classes[target_class_name]
if target_name in class_def.methods:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} method in {context_name}. {code_warning_if_intended_string}',
state,
)
elif target_name in class_def.constructors:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} constructor in {context_name}. {code_warning_if_intended_string}',
state,
)
elif target_name in class_def.operators:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} operator in {context_name}. {code_warning_if_intended_string}',
state,
)
elif target_name in class_def.properties:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} member in {context_name}. {code_warning_if_intended_string}',
state,
)
elif target_name in class_def.signals:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} signal in {context_name}. {code_warning_if_intended_string}',
state,
)
elif target_name in class_def.annotations:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} annotation in {context_name}. {code_warning_if_intended_string}',
state,
)
elif target_name in class_def.theme_items:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} theme property in {context_name}. {code_warning_if_intended_string}',
state,
)
elif target_name in class_def.constants:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} constant in {context_name}. {code_warning_if_intended_string}',
state,
)
else:
for enum in class_def.enums.values():
if target_name in enum.values:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches the {target_class_name}.{target_name} enum value in {context_name}. {code_warning_if_intended_string}',
state,
)
break
valid_param_context = isinstance(context, (MethodDef, SignalDef, AnnotationDef))
if valid_param_context:
context_params: List[ParameterDef] = context.parameters # type: ignore
for param_def in context_params:
if param_def.name == inside_code_text:
print_warning(
f'{state.current_class}.xml: Found a code string "{inside_code_text}" that matches one of the parameters in {context_name}. {code_warning_if_intended_string}',
state,
)
break
# Cross-references to items in this or other class documentation pages.
elif is_in_tagset(tag_state.name, RESERVED_CROSSLINK_TAGS):
link_target: str = tag_state.arguments
if link_target == "":
print_error(
f'{state.current_class}.xml: Empty cross-reference link "[{tag_state.raw}]" in {context_name}.',
state,
)
tag_text = ""
else:
if (
tag_state.name == "method"
or tag_state.name == "constructor"
or tag_state.name == "operator"
or tag_state.name == "member"
or tag_state.name == "signal"
or tag_state.name == "annotation"
or tag_state.name == "theme_item"
or tag_state.name == "constant"
):
target_class_name, target_name, *rest = parse_link_target(link_target, state, context_name)
if len(rest) > 0:
print_error(
f'{state.current_class}.xml: Bad reference "{link_target}" in {context_name}.',
state,
)
# Default to the tag command name. This works by default for most tags,
# but method, member, and theme_item have special cases.
ref_type = "_{}".format(tag_state.name)
if target_class_name in state.classes:
class_def = state.classes[target_class_name]
if tag_state.name == "method":
if target_name.startswith("_"):
ref_type = "_private_method"
if target_name not in class_def.methods:
print_error(
f'{state.current_class}.xml: Unresolved method reference "{link_target}" in {context_name}.',
state,
)
elif tag_state.name == "constructor" and target_name not in class_def.constructors:
print_error(
f'{state.current_class}.xml: Unresolved constructor reference "{link_target}" in {context_name}.',
state,
)
elif tag_state.name == "operator" and target_name not in class_def.operators:
print_error(
f'{state.current_class}.xml: Unresolved operator reference "{link_target}" in {context_name}.',
state,
)
elif tag_state.name == "member":
ref_type = "_property"
if target_name not in class_def.properties:
print_error(
f'{state.current_class}.xml: Unresolved member reference "{link_target}" in {context_name}.',
state,
)
elif tag_state.name == "signal" and target_name not in class_def.signals:
print_error(
f'{state.current_class}.xml: Unresolved signal reference "{link_target}" in {context_name}.',
state,
)
elif tag_state.name == "annotation" and target_name not in class_def.annotations:
print_error(
f'{state.current_class}.xml: Unresolved annotation reference "{link_target}" in {context_name}.',
state,
)
elif tag_state.name == "theme_item":
if target_name not in class_def.theme_items:
print_error(
f'{state.current_class}.xml: Unresolved theme property reference "{link_target}" in {context_name}.',
state,
)
else:
# Needs theme data type to be properly linked, which we cannot get without a class.
name = class_def.theme_items[target_name].data_name
ref_type = f"_theme_{name}"
elif tag_state.name == "constant":
found = False
# Search in the current class
search_class_defs = [class_def]
if link_target.find(".") == -1:
# Also search in @GlobalScope as a last resort if no class was specified
search_class_defs.append(state.classes["@GlobalScope"])
for search_class_def in search_class_defs:
if target_name in search_class_def.constants:
target_class_name = search_class_def.name
found = True
else:
for enum in search_class_def.enums.values():
if target_name in enum.values:
target_class_name = search_class_def.name
found = True
break
if not found:
print_error(
f'{state.current_class}.xml: Unresolved constant reference "{link_target}" in {context_name}.',
state,
)
else:
print_error(
f'{state.current_class}.xml: Unresolved type reference "{target_class_name}" in method reference "{link_target}" in {context_name}.',
state,
)
repl_text = target_name
if target_class_name != state.current_class:
repl_text = f"{target_class_name}.{target_name}"
tag_text = f":ref:`{repl_text}<class_{target_class_name}{ref_type}_{target_name}>`"
escape_pre = True
escape_post = True
elif tag_state.name == "enum":
tag_text = make_enum(link_target, False, state)
escape_pre = True
escape_post = True
elif tag_state.name == "param":
valid_param_context = isinstance(context, (MethodDef, SignalDef, AnnotationDef))
if not valid_param_context:
print_error(
f'{state.current_class}.xml: Argument reference "{link_target}" used outside of method, signal, or annotation context in {context_name}.',
state,
)
else:
context_params: List[ParameterDef] = context.parameters # type: ignore
found = False
for param_def in context_params:
if param_def.name == link_target:
found = True
break
if not found:
print_error(
f'{state.current_class}.xml: Unresolved argument reference "{link_target}" in {context_name}.',
state,
)
tag_text = f"``{link_target}``"
escape_pre = True
escape_post = True
# Formatting directives.
elif is_in_tagset(tag_state.name, ["url"]):
url_target = tag_state.arguments
if url_target == "":
print_error(
f'{state.current_class}.xml: Misformatted [url] tag "[{tag_state.raw}]" in {context_name}.',
state,
)
else:
# Unlike other tags, URLs are handled in full here, as we need to extract
# the optional link title to use `make_link`.
endurl_pos = text.find("[/url]", endq_pos + 1)
if endurl_pos == -1:
print_error(
f"{state.current_class}.xml: Tag depth mismatch for [url]: no closing [/url] in {context_name}.",
state,
)
break
link_title = text[endq_pos + 1 : endurl_pos]
tag_text = make_link(url_target, link_title)
pre_text = text[:pos]
post_text = text[endurl_pos + 6 :]
if pre_text and pre_text[-1] not in MARKUP_ALLOWED_PRECEDENT:
pre_text += "\\ "
if post_text and post_text[0] not in MARKUP_ALLOWED_SUBSEQUENT:
post_text = "\\ " + post_text
text = pre_text + tag_text + post_text
pos = len(pre_text) + len(tag_text)
continue
elif tag_state.name == "br":
# Make a new paragraph instead of a linebreak, rst is not so linebreak friendly
tag_text = "\n\n"
# Strip potential leading spaces
while post_text[0] == " ":
post_text = post_text[1:]
elif tag_state.name == "center":
if tag_state.closing:
tag_depth -= 1
else:
tag_depth += 1
tag_text = ""
elif tag_state.name == "i":
if tag_state.closing:
tag_depth -= 1
escape_post = True
else:
tag_depth += 1
escape_pre = True
tag_text = "*"
elif tag_state.name == "b":
if tag_state.closing:
tag_depth -= 1
escape_post = True
else:
tag_depth += 1
escape_pre = True
tag_text = "**"
elif tag_state.name == "u":
if tag_state.closing:
tag_depth -= 1
escape_post = True
else:
tag_depth += 1
escape_pre = True
tag_text = ""
elif tag_state.name == "lb":
tag_text = "\\["
elif tag_state.name == "rb":
tag_text = "\\]"
elif tag_state.name == "kbd":
tag_text = "`"
if tag_state.closing:
tag_depth -= 1
escape_post = True
else:
tag_text = ":kbd:" + tag_text
tag_depth += 1
escape_pre = True
# Invalid syntax.
else:
if tag_state.closing:
print_error(
f'{state.current_class}.xml: Unrecognized closing tag "[{tag_state.raw}]" in {context_name}.',
state,
)
tag_text = f"[{tag_text}]"
else:
print_error(
f'{state.current_class}.xml: Unrecognized opening tag "[{tag_state.raw}]" in {context_name}.',
state,
)
tag_text = f"``{tag_text}``"
escape_pre = True
escape_post = True
# Properly escape things like `[Node]s`
if escape_pre and pre_text and pre_text[-1] not in MARKUP_ALLOWED_PRECEDENT:
pre_text += "\\ "
if escape_post and post_text and post_text[0] not in MARKUP_ALLOWED_SUBSEQUENT:
post_text = "\\ " + post_text
next_brac_pos = post_text.find("[", 0)
iter_pos = 0
while not inside_code:
iter_pos = post_text.find("*", iter_pos, next_brac_pos)
if iter_pos == -1:
break
post_text = f"{post_text[:iter_pos]}\\*{post_text[iter_pos + 1 :]}"
iter_pos += 2
iter_pos = 0
while not inside_code:
iter_pos = post_text.find("_", iter_pos, next_brac_pos)
if iter_pos == -1:
break
if not post_text[iter_pos + 1].isalnum(): # don't escape within a snake_case word
post_text = f"{post_text[:iter_pos]}\\_{post_text[iter_pos + 1 :]}"
iter_pos += 2
else:
iter_pos += 1
text = pre_text + tag_text + post_text
pos = len(pre_text) + len(tag_text)
if tag_depth > 0:
print_error(
f"{state.current_class}.xml: Tag depth mismatch: too many (or too few) open/close tags in {context_name}.",
state,
)
return text
def format_context_name(context: Union[DefinitionBase, None]) -> str:
context_name: str = "unknown context"
if context is not None:
context_name = f'{context.definition_name} "{context.name}" description'
return context_name
def escape_rst(text: str, until_pos: int = -1) -> str:
# Escape \ character, otherwise it ends up as an escape character in rst
pos = 0
while True:
pos = text.find("\\", pos, until_pos)
if pos == -1:
break
text = f"{text[:pos]}\\\\{text[pos + 1 :]}"
pos += 2
# Escape * character to avoid interpreting it as emphasis
pos = 0
while True:
pos = text.find("*", pos, until_pos)
if pos == -1:
break
text = f"{text[:pos]}\\*{text[pos + 1 :]}"
pos += 2
# Escape _ character at the end of a word to avoid interpreting it as an inline hyperlink
pos = 0
while True:
pos = text.find("_", pos, until_pos)
if pos == -1:
break
if not text[pos + 1].isalnum(): # don't escape within a snake_case word
text = f"{text[:pos]}\\_{text[pos + 1 :]}"
pos += 2
else:
pos += 1
return text
def format_codeblock(
tag_state: TagState, post_text: str, indent_level: int, state: State
) -> Union[Tuple[str, int], None]:
end_pos = post_text.find("[/" + tag_state.name + "]")
if end_pos == -1:
print_error(
f"{state.current_class}.xml: Tag depth mismatch for [{tag_state.name}]: no closing [/{tag_state.name}].",
state,
)
return None
opening_formatted = tag_state.name
if len(tag_state.arguments) > 0:
opening_formatted += " " + tag_state.arguments
code_text = post_text[len(f"[{opening_formatted}]") : end_pos]
post_text = post_text[end_pos:]
# Remove extraneous tabs
code_pos = 0
while True:
code_pos = code_text.find("\n", code_pos)
if code_pos == -1:
break
to_skip = 0
while code_pos + to_skip + 1 < len(code_text) and code_text[code_pos + to_skip + 1] == "\t":
to_skip += 1
if to_skip > indent_level:
print_error(
f"{state.current_class}.xml: Four spaces should be used for indentation within [{tag_state.name}].",
state,
)
if len(code_text[code_pos + to_skip + 1 :]) == 0:
code_text = f"{code_text[:code_pos]}\n"
code_pos += 1
else:
code_text = f"{code_text[:code_pos]}\n {code_text[code_pos + to_skip + 1 :]}"
code_pos += 5 - to_skip
return (f"\n[{opening_formatted}]{code_text}{post_text}", len(f"\n[{opening_formatted}]{code_text}"))
def format_table(f: TextIO, data: List[Tuple[Optional[str], ...]], remove_empty_columns: bool = False) -> None:
if len(data) == 0:
return
f.write(".. table::\n")
f.write(" :widths: auto\n\n")
# Calculate the width of each column first, we will use this information
# to properly format RST-style tables.
column_sizes = [0] * len(data[0])
for row in data:
for i, text in enumerate(row):
text_length = len(text or "")
if text_length > column_sizes[i]:
column_sizes[i] = text_length
# Each table row is wrapped in two separators, consecutive rows share the same separator.
# All separators, or rather borders, have the same shape and content. We compose it once,
# then reuse it.
sep = ""
for size in column_sizes:
if size == 0 and remove_empty_columns:
continue
sep += "+" + "-" * (size + 2) # Content of each cell is padded by 1 on each side.
sep += "+\n"
# Draw the first separator.
f.write(f" {sep}")
# Draw each row and close it with a separator.
for row in data:
row_text = "|"
for i, text in enumerate(row):
if column_sizes[i] == 0 and remove_empty_columns:
continue
row_text += f' {(text or "").ljust(column_sizes[i])} |'
row_text += "\n"
f.write(f" {row_text}")
f.write(f" {sep}")
f.write("\n")
def sanitize_operator_name(dirty_name: str, state: State) -> str:
clear_name = dirty_name.replace("operator ", "")
if clear_name == "!=":
clear_name = "neq"
elif clear_name == "==":
clear_name = "eq"
elif clear_name == "<":
clear_name = "lt"
elif clear_name == "<=":
clear_name = "lte"
elif clear_name == ">":
clear_name = "gt"
elif clear_name == ">=":
clear_name = "gte"
elif clear_name == "+":
clear_name = "sum"
elif clear_name == "-":
clear_name = "dif"
elif clear_name == "*":
clear_name = "mul"
elif clear_name == "/":
clear_name = "div"
elif clear_name == "%":
clear_name = "mod"
elif clear_name == "**":
clear_name = "pow"
elif clear_name == "unary+":
clear_name = "unplus"
elif clear_name == "unary-":
clear_name = "unminus"
elif clear_name == "<<":
clear_name = "bwsl"
elif clear_name == ">>":
clear_name = "bwsr"
elif clear_name == "&":
clear_name = "bwand"
elif clear_name == "|":
clear_name = "bwor"
elif clear_name == "^":
clear_name = "bwxor"
elif clear_name == "~":
clear_name = "bwnot"
elif clear_name == "[]":
clear_name = "idx"
else:
clear_name = "xxx"
print_error(f'Unsupported operator type "{dirty_name}", please add the missing rule.', state)
return clear_name
if __name__ == "__main__":
main()
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