tools/gn/substitution_list.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "tools/gn/substitution_list.h"
   6
   7 #include <string.h>
   8
   9 #include "tools/gn/value.h"
  10
  11 SubstitutionList::SubstitutionList() {
  12 }
  13
  14 SubstitutionList::~SubstitutionList() {
  15 }
  16
  17 bool SubstitutionList::Parse(const Value& value, Err* err) {
  18   if (!value.VerifyTypeIs(Value::LIST, err))
  19     return false;
  20
  21   const std::vector<Value>& input_list = value.list_value();
  22   list_.resize(input_list.size());
  23   for (size_t i = 0; i < input_list.size(); i++) {
  24     if (!list_[i].Parse(input_list[i], err))
  25       return false;
  26   }
  27
  28   SubstitutionBits bits;
  29   FillRequiredTypes(&bits);
  30   bits.FillVector(&required_types_);
  31   return true;
  32 }
  33
  34 bool SubstitutionList::Parse(const std::vector<std::string>& values,
  35                              const ParseNode* origin,
  36                              Err* err) {
  37   list_.resize(values.size());
  38   for (size_t i = 0; i < values.size(); i++) {
  39     if (!list_[i].Parse(values[i], origin, err))
  40       return false;
  41   }
  42
  43   SubstitutionBits bits;
  44   FillRequiredTypes(&bits);
  45   bits.FillVector(&required_types_);
  46   return true;
  47 }
  48
  49 SubstitutionList SubstitutionList::MakeForTest(
  50     const char* a,
  51     const char* b,
  52     const char* c) {
  53   std::vector<std::string> input_strings;
  54   input_strings.push_back(a);
  55   if (b)
  56     input_strings.push_back(b);
  57   if (c)
  58     input_strings.push_back(c);
  59
  60   Err err;
  61   SubstitutionList result;
  62   result.Parse(input_strings, nullptr, &err);
  63   return result;
  64 }
  65
  66 void SubstitutionList::FillRequiredTypes(SubstitutionBits* bits) const {
  67   for (const auto& item : list_)
  68     item.FillRequiredTypes(bits);
  69 }