75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
|
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#ifndef TOOLS_GN_FILE_TEMPLATE_H_
|
||
|
|
#define TOOLS_GN_FILE_TEMPLATE_H_
|
||
|
|
|
||
|
|
#include "base/basictypes.h"
|
||
|
|
#include "base/containers/stack_container.h"
|
||
|
|
#include "tools/gn/err.h"
|
||
|
|
#include "tools/gn/value.h"
|
||
|
|
|
||
|
|
class ParseNode;
|
||
|
|
|
||
|
|
class FileTemplate {
|
||
|
|
public:
|
||
|
|
struct Subrange {
|
||
|
|
enum Type {
|
||
|
|
LITERAL = 0,
|
||
|
|
SOURCE,
|
||
|
|
NAME_PART,
|
||
|
|
NUM_TYPES // Must be last
|
||
|
|
};
|
||
|
|
Subrange(Type t, const std::string& l = std::string())
|
||
|
|
: type(t),
|
||
|
|
literal(l) {
|
||
|
|
}
|
||
|
|
|
||
|
|
Type type;
|
||
|
|
|
||
|
|
// When type_ == LITERAL, this specifies the literal.
|
||
|
|
std::string literal;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Constructs a template from the given value. On error, the err will be
|
||
|
|
// set. In this case you should not use this object.
|
||
|
|
FileTemplate(const Value& t, Err* err);
|
||
|
|
FileTemplate(const std::vector<std::string>& t);
|
||
|
|
~FileTemplate();
|
||
|
|
|
||
|
|
// Applies this template to the given list of sources, appending all
|
||
|
|
// results to the given dest list. The sources must be a list for the
|
||
|
|
// one that takes a value as an input, otherwise the given error will be set.
|
||
|
|
void Apply(const Value& sources,
|
||
|
|
const ParseNode* origin,
|
||
|
|
std::vector<Value>* dest,
|
||
|
|
Err* err) const;
|
||
|
|
void ApplyString(const std::string& input,
|
||
|
|
std::vector<std::string>* output) const;
|
||
|
|
|
||
|
|
// Known template types.
|
||
|
|
static const char kSource[];
|
||
|
|
static const char kSourceNamePart[];
|
||
|
|
|
||
|
|
private:
|
||
|
|
typedef base::StackVector<Subrange, 8> Template;
|
||
|
|
typedef base::StackVector<Template, 8> TemplateVector;
|
||
|
|
|
||
|
|
void ParseInput(const Value& value, Err* err);
|
||
|
|
|
||
|
|
// Parses a template string and adds it to the templates_ list.
|
||
|
|
void ParseOneTemplateString(const std::string& str);
|
||
|
|
|
||
|
|
TemplateVector templates_;
|
||
|
|
|
||
|
|
// The corresponding value is set to true if the given subrange type is
|
||
|
|
// required. This allows us to precompute these types whem applying them
|
||
|
|
// to a given source file.
|
||
|
|
bool types_required_[Subrange::NUM_TYPES];
|
||
|
|
|
||
|
|
DISALLOW_COPY_AND_ASSIGN(FileTemplate);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // TOOLS_GN_FILE_TEMPLATE_H_
|