CMake/Source/cmStringReplaceHelper.h
2019-01-22 13:03:04 -05:00

69 lines
1.4 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cmStringReplaceHelper_h
#define cmStringReplaceHelper_h
#include "cmsys/RegularExpression.hxx"
#include <string>
#include <utility>
#include <vector>
class cmMakefile;
class cmStringReplaceHelper
{
public:
cmStringReplaceHelper(const std::string& regex, std::string replace_expr,
cmMakefile* makefile = nullptr);
bool IsRegularExpressionValid() const
{
return this->RegularExpression.is_valid();
}
bool IsReplaceExpressionValid() const
{
return this->ValidReplaceExpression;
}
bool Replace(const std::string& input, std::string& output);
const std::string& GetError() { return this->ErrorString; }
private:
class RegexReplacement
{
public:
RegexReplacement(const char* s)
: Number(-1)
, Value(s)
{
}
RegexReplacement(std::string s)
: Number(-1)
, Value(std::move(s))
{
}
RegexReplacement(int n)
: Number(n)
{
}
RegexReplacement() {}
int Number;
std::string Value;
};
void ParseReplaceExpression();
std::string ErrorString;
std::string RegExString;
cmsys::RegularExpression RegularExpression;
bool ValidReplaceExpression = true;
std::string ReplaceExpression;
std::vector<RegexReplacement> Replacements;
cmMakefile* Makefile = nullptr;
};
#endif