File: append_arguments_from_file.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (51 lines) | stat: -rw-r--r-- 1,593 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/fuchsia_component_support/append_arguments_from_file.h"

#include <memory>
#include <utility>

#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/json/json_file_value_serializer.h"
#include "base/json/json_reader.h"

namespace fuchsia_component_support {

bool AppendArgumentsFromFile(const base::FilePath& path,
                             base::CommandLine& command_line) {
  JSONFileValueDeserializer json_deserializer(path, base::JSON_PARSE_RFC);
  int error_code = JSONFileValueDeserializer::JSON_NO_ERROR;
  std::unique_ptr<base::Value> value =
      json_deserializer.Deserialize(&error_code, nullptr);
  if (!value) {
    return error_code == JSONFileValueDeserializer::JSON_NO_SUCH_FILE;
  }
  base::Value::Dict* const dict = value->GetIfDict();
  if (!dict) {
    return false;
  }

  if (auto* const argv_list = dict->FindList("argv"); argv_list) {
    base::CommandLine::StringVector argv;
    argv.reserve(argv_list->size() + 1);
    argv.emplace_back();  // The program name.
    for (auto& arg_value : *argv_list) {
      if (auto* arg = arg_value.GetIfString(); arg) {
        argv.push_back(std::move(*arg));
      } else {
        return false;
      }
    }
    if (argv.size() > 1) {
      command_line.AppendArguments(base::CommandLine(argv),
                                   /*include_program=*/false);
    }
  }

  return true;
}

}  // namespace fuchsia_component_support