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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
#pragma once
#include <string>
#include <utility>
#include <vector>
#include <cm/string_view>
#include "cmsys/RegularExpression.hxx"
class cmMakefile;
class cmStringReplaceHelper
{
public:
cmStringReplaceHelper(std::string const& regex, std::string replace_expr,
cmMakefile* makefile = nullptr);
bool IsRegularExpressionValid() const
{
return this->RegularExpression.is_valid();
}
bool IsReplaceExpressionValid() const
{
return this->ValidReplaceExpression;
}
bool Replace(cm::string_view input, std::string& output);
std::string const& GetError() { return this->ErrorString; }
private:
class RegexReplacement
{
public:
RegexReplacement(char const* s)
: Number(-1)
, Value(s)
{
}
RegexReplacement(std::string s)
: Number(-1)
, Value(std::move(s))
{
}
RegexReplacement(int n)
: Number(n)
{
}
RegexReplacement() = default;
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;
};
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