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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 "cmConfigure.h" // IWYU pragma: keep
#include <istream>
#include <mutex>
#include <string>
#include <unordered_set>
#include <vector>
#include <cm/string_view>
#include <cm3p/json/value.h>
#include "cmFileTime.h"
#include "cmQtAutoGen.h"
/** \class cmQtAutoGenerator
* \brief Base class for QtAutoGen generators
*/
class cmQtAutoGenerator : public cmQtAutoGen
{
public:
// -- Types
/** Thread safe logger. */
class Logger
{
public:
// -- Construction
Logger();
~Logger() = default;
// -- Verbosity
unsigned int Verbosity() const { return this->Verbosity_; }
void SetVerbosity(unsigned int value) { this->Verbosity_ = value; }
void RaiseVerbosity(unsigned int value);
bool Verbose() const { return (this->Verbosity_ != 0); }
void SetVerbose(bool value) { this->Verbosity_ = value ? 1 : 0; }
// -- Color output
bool ColorOutput() const { return this->ColorOutput_; }
void SetColorOutput(bool value);
// -- Log info
void Info(GenT genType, cm::string_view message) const;
// -- Log warning
void Warning(GenT genType, cm::string_view message) const;
// -- Log error
void Error(GenT genType, cm::string_view message) const;
void ErrorCommand(GenT genType, cm::string_view message,
std::vector<std::string> const& command,
std::string const& output) const;
private:
static std::string HeadLine(cm::string_view title);
mutable std::mutex Mutex_;
unsigned int Verbosity_ = 0;
bool ColorOutput_ = false;
};
/** Project directories. */
struct ProjectDirsT
{
std::string Source;
std::string Binary;
std::string CurrentSource;
std::string CurrentBinary;
};
// -- File system methods
static bool MakeParentDirectory(std::string const& filename);
static bool FileRead(std::string& content, std::string const& filename,
std::string* error = nullptr);
static bool FileWrite(std::string const& filename,
std::string const& content,
std::string* error = nullptr);
static bool FileDiffers(std::string const& filename,
std::string const& content);
// -- Constructors
cmQtAutoGenerator(GenT genType);
virtual ~cmQtAutoGenerator();
cmQtAutoGenerator(cmQtAutoGenerator const&) = delete;
cmQtAutoGenerator& operator=(cmQtAutoGenerator const&) = delete;
// -- Info options
std::string const& InfoFile() const { return this->InfoFile_; }
std::string const& InfoDir() const { return this->InfoDir_; }
cmFileTime const& InfoFileTime() const { return this->InfoFileTime_; }
std::string const& InfoConfig() const { return this->InfoConfig_; }
std::string const& ExecutableConfig() const
{
return this->ExecutableConfig_;
}
// -- Info file parsing
/** Info file reader class. */
class InfoT
{
public:
InfoT(cmQtAutoGenerator& gen)
: Gen_(gen)
{
}
/** Read json data from a stream. */
bool Read(std::istream& istr);
/** Returns false if the JSON value isn't a string. */
bool GetString(std::string const& key, std::string& value,
bool required) const;
bool GetStringConfig(std::string const& key, std::string& value,
bool required) const;
bool GetBool(std::string const& key, bool& value, bool required) const;
bool GetUInt(std::string const& key, unsigned int& value,
bool required) const;
/** Returns false if the JSON value isn't an array. */
bool GetArray(std::string const& key, std::vector<std::string>& list,
bool required) const;
bool GetArray(std::string const& key,
std::unordered_set<std::string>& list, bool required) const;
bool GetArrayConfig(std::string const& key, std::vector<std::string>& list,
bool required) const;
Json::Value const& GetValue(std::string const& key) const
{
return this->Json_[key];
}
/** Returns true if strings were appended to the list. */
static bool GetJsonArray(std::vector<std::string>& list,
Json::Value const& jval);
/** Returns true if strings were found in the JSON array. */
static bool GetJsonArray(std::unordered_set<std::string>& list,
Json::Value const& jval);
bool LogError(GenT genType, cm::string_view message) const;
bool LogError(cm::string_view message) const;
private:
std::string ConfigKey(cm::string_view key) const;
Json::Value Json_;
cmQtAutoGenerator& Gen_;
};
// -- Settings file
static std::string SettingsFind(cm::string_view content,
cm::string_view key);
// -- Directories
ProjectDirsT const& ProjectDirs() const { return this->ProjectDirs_; }
std::string MessagePath(cm::string_view path) const;
// -- Run
bool Run(cm::string_view infoFile, cm::string_view config,
cm::string_view executableConfig);
protected:
// -- Abstract processing interface
virtual bool InitFromInfo(InfoT const& info) = 0;
virtual bool Process() = 0;
// - Utility classes
Logger const& Log() const { return this->Logger_; }
private:
// -- Generator type
GenT GenType_;
// -- Logging
Logger Logger_;
// -- Info file
std::string InfoFile_;
std::string InfoDir_;
cmFileTime InfoFileTime_;
std::string InfoConfig_;
std::string ExecutableConfig_;
// -- Directories
ProjectDirsT ProjectDirs_;
};
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