73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "tools/gn/file_template.h"
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#include "tools/gn/functions.h"
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#include "tools/gn/parse_tree.h"
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namespace functions {
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const char kProcessFileTemplate[] = "process_file_template";
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const char kProcessFileTemplate_Help[] =
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"process_file_template: Do template expansion over a list of files.\n"
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"\n"
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" process_file_template(source_list, template)\n"
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"\n"
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" process_file_template applies a template list to a source file list,\n"
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" returning the result of applying each template to each source. This is\n"
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" typically used for computing output file names from input files.\n"
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"\n"
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"Arguments:\n"
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"\n"
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" The source_list is a list of file names.\n"
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"\n"
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" The template can be a string or a list. If it is a list, multiple\n"
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" output strings are generated for each input.\n"
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"\n"
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" The following template substrings are used in the template arguments\n"
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" and are replaced with the corresponding part of the input file name:\n"
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"\n"
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" {{source}}\n"
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" The entire source name.\n"
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"\n"
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" {{source_name_part}}\n"
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" The source name with no path or extension.\n"
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"\n"
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"Example:\n"
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"\n"
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" sources = [\n"
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" \"foo.idl\",\n"
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" \"bar.idl\",\n"
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" ]\n"
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" myoutputs = process_file_template(\n"
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" sources,\n"
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" [ \"$target_gen_dir/{{source_name_part}}.cc\",\n"
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" \"$target_gen_dir/{{source_name_part}}.h\" ])\n"
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"\n"
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" The result in this case will be:\n"
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" [ \"//out/Debug/foo.cc\"\n"
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" \"//out/Debug/foo.h\"\n"
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" \"//out/Debug/bar.cc\"\n"
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" \"//out/Debug/bar.h\" ]\n";
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Value RunProcessFileTemplate(Scope* scope,
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const FunctionCallNode* function,
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const std::vector<Value>& args,
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Err* err) {
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if (args.size() != 2) {
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*err = Err(function->function(), "Expected two arguments");
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return Value();
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}
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FileTemplate file_template(args[1], err);
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if (err->has_error())
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return Value();
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Value ret(function, Value::LIST);
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file_template.Apply(args[0], function, &ret.list_value(), err);
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return ret;
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}
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} // namespace functions
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