chromium/third_party/grpc/src/third_party/upb/upb/text_encode.c

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 * Copyright (c) 2009-2021, Google LLC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Google LLC nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */

#include "upb/text_encode.h"

#include <ctype.h>
#include <float.h>
#include <inttypes.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>

#include "upb/internal/upb.h"
#include "upb/internal/vsnprintf_compat.h"
#include "upb/reflection.h"

// Must be last.
#include "upb/port_def.inc"

txtenc;

static void txtenc_msg(txtenc* e, const upb_Message* msg,
                       const upb_MessageDef* m);

static void txtenc_putbytes(txtenc* e, const void* data, size_t len) { … }

static void txtenc_putstr(txtenc* e, const char* str) { … }

static void txtenc_printf(txtenc* e, const char* fmt, ...) { … }

static void txtenc_indent(txtenc* e) { … }

static void txtenc_endfield(txtenc* e) { … }

static void txtenc_enum(int32_t val, const upb_FieldDef* f, txtenc* e) { … }

static void txtenc_string(txtenc* e, upb_StringView str, bool bytes) { … }

static void txtenc_field(txtenc* e, upb_MessageValue val,
                         const upb_FieldDef* f) { … }

/*
 * Arrays print as simple repeated elements, eg.
 *
 *    foo_field: 1
 *    foo_field: 2
 *    foo_field: 3
 */
static void txtenc_array(txtenc* e, const upb_Array* arr,
                         const upb_FieldDef* f) { … }

static void txtenc_mapentry(txtenc* e, upb_MessageValue key,
                            upb_MessageValue val, const upb_FieldDef* f) { … }

/*
 * Maps print as messages of key/value, etc.
 *
 *    foo_map: {
 *      key: "abc"
 *      value: 123
 *    }
 *    foo_map: {
 *      key: "def"
 *      value: 456
 *    }
 */
static void txtenc_map(txtenc* e, const upb_Map* map, const upb_FieldDef* f) { … }

#define CHK …

static const char* txtenc_parsevarint(const char* ptr, const char* limit,
                                      uint64_t* val) { … }

/*
 * Unknown fields are printed by number.
 *
 * 1001: 123
 * 1002: "hello"
 * 1006: 0xdeadbeef
 * 1003: {
 *   1: 111
 * }
 */
static const char* txtenc_unknown(txtenc* e, const char* ptr, const char* end,
                                  int groupnum) { … }

#undef CHK

static void txtenc_msg(txtenc* e, const upb_Message* msg,
                       const upb_MessageDef* m) { … }

size_t txtenc_nullz(txtenc* e, size_t size) { … }

size_t upb_TextEncode(const upb_Message* msg, const upb_MessageDef* m,
                      const upb_DefPool* ext_pool, int options, char* buf,
                      size_t size) { … }