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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#pragma once
#include <algorithm>
#include <iosfwd>
#include <memory>
#include <string>
#include <utility>
#include <vector>
/** \class cmListFileCache
* \brief A class to cache list file contents.
*
* cmListFileCache is a class used to cache the contents of parsed
* cmake list files.
*/
struct cmListFileArgument
{
enum Delimiter
{
Unquoted,
Quoted,
Bracket,
Comment
};
cmListFileArgument() = default;
cmListFileArgument(std::string v, Delimiter d, long line, long column)
: Value(std::move(v))
, Delim(d)
, Line(line)
, Column(column)
{
}
bool operator==(const cmListFileArgument& r) const
{
return (this->Value == r.Value) && (this->Delim == r.Delim);
}
bool operator!=(const cmListFileArgument& r) const { return !(*this == r); }
std::string Value;
Delimiter Delim = Unquoted;
long Line = 0;
long Column = 0;
};
class cmListFileFunction
{
public:
cmListFileFunction(std::string name, long line, long lineEnd,
std::vector<cmListFileArgument> args)
: Impl{ std::make_shared<Implementation>(std::move(name), line, lineEnd,
std::move(args)) }
{
}
std::string const& OriginalName() const noexcept
{
return this->Impl->OriginalName;
}
std::string const& LowerCaseName() const noexcept
{
return this->Impl->LowerCaseName;
}
long Line() const noexcept { return this->Impl->Line; }
long LineEnd() const noexcept { return this->Impl->LineEnd; }
std::vector<cmListFileArgument> const& Arguments() const noexcept
{
return this->Impl->Arguments;
}
private:
struct Implementation
{
Implementation(std::string name, long line, long lineEnd,
std::vector<cmListFileArgument> args)
: OriginalName{ std::move(name) }
, LowerCaseName{ tolower(this->OriginalName) }
, Line{ line }
, LineEnd{ lineEnd }
, Arguments{ std::move(args) }
{
}
// taken from yaml-cpp
static bool IsLower(char ch) { return 'a' <= ch && ch <= 'z'; }
static bool IsUpper(char ch) { return 'A' <= ch && ch <= 'Z'; }
static char ToLower(char ch) { return IsUpper(ch) ? ch + 'a' - 'A' : ch; }
std::string tolower(const std::string& str)
{
std::string s(str);
std::transform(s.begin(), s.end(), s.begin(), ToLower);
return s;
}
std::string OriginalName;
std::string LowerCaseName;
long Line = 0;
long LineEnd = 0;
std::vector<cmListFileArgument> Arguments;
};
std::shared_ptr<Implementation const> Impl;
};
struct cmListFile
{
bool ParseString(const std::string &str, const std::string &virtual_filename, std::string &error);
std::vector<cmListFileFunction> Functions;
};
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