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RedPanda-CPP/astyle/astyle_main.h

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// astyle_main.h
// Copyright (c) 2018 by Jim Pattee <jimp03@email.com>.
// This code is licensed under the MIT License.
// License.md describes the conditions under which this software may be distributed.
#ifndef ASTYLE_MAIN_H
#define ASTYLE_MAIN_H
//----------------------------------------------------------------------------
// headers
//----------------------------------------------------------------------------
#include "astyle.h"
#include <ctime>
#include <sstream>
#if defined(__BORLANDC__) && __BORLANDC__ < 0x0650
// Embarcadero needs this for the following utime.h
// otherwise "struct utimbuf" gets an error on time_t
// 0x0650 for C++Builder XE3
using std::time_t;
#endif
#if defined(_MSC_VER)
#include <sys/stat.h>
#include <sys/utime.h>
#else
#include <sys/stat.h>
#include <utime.h>
#endif // end compiler checks
#ifdef ASTYLE_JNI
#include <jni.h>
#ifndef ASTYLE_LIB // ASTYLE_LIB must be defined for ASTYLE_JNI
#define ASTYLE_LIB
#endif
#endif // ASTYLE_JNI
#ifndef ASTYLE_LIB
// for console build only
#include "ASLocalizer.h"
#define _(a) localizer.settext(a)
#endif // ASTYLE_LIB
//-----------------------------------------------------------------------------
// declarations
//-----------------------------------------------------------------------------
// for getenv and localtime
#if defined(_MSC_VER)
#pragma warning(disable: 4996) // secure version deprecation warnings
#endif
#ifdef __clang__
#pragma clang diagnostic ignored "-Wdeprecated-declarations" // getenv, localtime
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
#ifdef ASTYLE_LIB
// define STDCALL and EXPORT for Windows
// MINGW defines STDCALL in Windows.h (actually windef.h)
// EXPORT has no value if ASTYLE_NO_EXPORT is defined
#ifdef _WIN32
#ifndef STDCALL
#define STDCALL __stdcall
#endif
// define this to prevent compiler warning and error messages
#ifdef ASTYLE_NO_EXPORT
#define EXPORT
#else
#define EXPORT __declspec(dllexport)
#endif
// define STDCALL and EXPORT for non-Windows
// visibility attribute allows "-fvisibility=hidden" compiler option
#else
#define STDCALL
#if __GNUC__ >= 4
#define EXPORT __attribute__ ((visibility ("default")))
#else
#define EXPORT
#endif
#endif // #ifdef _WIN32
// define pointers to callback error handler and memory allocation
typedef void (STDCALL* fpError)(int errorNumber, const char* errorMessage);
typedef char* (STDCALL* fpAlloc)(unsigned long memoryNeeded);
#endif // #ifdef ASTYLE_LIB
//----------------------------------------------------------------------------
// astyle namespace
//----------------------------------------------------------------------------
namespace astyle {
//
//----------------------------------------------------------------------------
// ASStreamIterator class
// typename will be stringstream for AStyle
// it could be istream for plug-ins
// ASSourceIterator is an inherited abstract class defined in astyle.h
//----------------------------------------------------------------------------
template<typename T>
class ASStreamIterator : public ASSourceIterator
{
public:
bool checkForEmptyLine;
public: // function declarations
explicit ASStreamIterator(T* in);
~ASStreamIterator() override;
bool getLineEndChange(int lineEndFormat) const;
int getStreamLength() const override;
string nextLine(bool emptyLineWasDeleted) override;
string peekNextLine() override;
void peekReset() override;
void saveLastInputLine();
streamoff tellg() override;
private:
T* inStream; // pointer to the input stream
string buffer; // current input line
string prevBuffer; // previous input line
string outputEOL; // next output end of line char
int eolWindows; // number of Windows line endings, CRLF
int eolLinux; // number of Linux line endings, LF
int eolMacOld; // number of old Mac line endings. CR
streamoff streamLength; // length of the input file stream
streamoff peekStart; // starting position for peekNextLine
bool prevLineDeleted; // the previous input line was deleted
public: // inline functions
bool compareToInputBuffer(const string& nextLine_) const
{ return (nextLine_ == prevBuffer); }
const string& getOutputEOL() const { return outputEOL; }
streamoff getPeekStart() const override { return peekStart; }
bool hasMoreLines() const override { return !inStream->eof(); }
};
//----------------------------------------------------------------------------
// ASEncoding class for utf8/16 conversions
// used by both console and library builds
//----------------------------------------------------------------------------
class ASEncoding
{
private:
using utf16 = char16_t; // 16 bits unsigned
using utf8 = unsigned char; // 8 bits
using ubyte = unsigned char; // 8 bits
enum { SURROGATE_LEAD_FIRST = 0xD800 };
enum { SURROGATE_LEAD_LAST = 0xDBFF };
enum { SURROGATE_TRAIL_FIRST = 0xDC00 };
enum { SURROGATE_TRAIL_LAST = 0xDFFF };
enum { SURROGATE_FIRST_VALUE = 0x10000 };
enum eState { eStart, eSecondOf4Bytes, ePenultimate, eFinal };
public:
bool getBigEndian() const;
int swap16bit(int value) const;
size_t utf16len(const utf16* utf16In) const;
size_t utf8LengthFromUtf16(const char* utf16In, size_t inLen, bool isBigEndian) const;
size_t utf8ToUtf16(char* utf8In, size_t inLen, bool isBigEndian, char* utf16Out) const;
size_t utf16LengthFromUtf8(const char* utf8In, size_t len) const;
size_t utf16ToUtf8(char* utf16In, size_t inLen, bool isBigEndian,
bool firstBlock, char* utf8Out) const;
};
//----------------------------------------------------------------------------
// ASOptions class for options processing
// used by both console and library builds
//----------------------------------------------------------------------------
class ASConsole;
class ASOptions
{
public:
#ifdef ASTYLE_LIB
ASOptions(ASFormatter& formatterArg);
#else
ASOptions(ASFormatter& formatterArg, ASConsole& consoleArg);
#endif
string getOptionErrors() const;
void importOptions(stringstream& in, vector<string>& optionsVector);
bool parseOptions(vector<string>& optionsVector, const string& errorInfo);
private:
// variables
ASFormatter& formatter;
stringstream optionErrors; // option error messages
#ifndef ASTYLE_LIB
ASConsole& console; // DO NOT USE for ASTYLE_LIB
#endif
// functions
string getParam(const string& arg, const char* op);
string getParam(const string& arg, const char* op1, const char* op2);
bool isOption(const string& arg, const char* op);
bool isOption(const string& arg, const char* op1, const char* op2);
void isOptionError(const string& arg, const string& errorInfo);
bool isParamOption(const string& arg, const char* option);
bool isParamOption(const string& arg, const char* option1, const char* option2);
void parseOption(const string& arg, const string& errorInfo);
bool parseOptionContinued(const string& arg, const string& errorInfo);
};
#ifndef ASTYLE_LIB
//----------------------------------------------------------------------------
// ASConsole class for console build
//----------------------------------------------------------------------------
class ASConsole
{
private: // variables
ASFormatter& formatter; // reference to the ASFormatter object
ASEncoding encode; // file encoding conversion
ASLocalizer localizer; // language translation
ostream* errorStream; // direct error messages to cerr or cout
// command line options
bool isRecursive; // recursive option
bool isDryRun; // dry-run option
bool noBackup; // suffix=none option
bool preserveDate; // preserve-date option
bool isVerbose; // verbose option
bool isQuiet; // quiet option
bool isFormattedOnly; // formatted lines only option
bool ignoreExcludeErrors; // don't abort on unmatched excludes
bool ignoreExcludeErrorsDisplay; // don't display unmatched excludes
bool useAscii; // ascii option
// other variables
bool bypassBrowserOpen; // don't open the browser on html options
bool hasWildcard; // file name includes a wildcard
size_t mainDirectoryLength; // directory length to be excluded in displays
bool filesAreIdentical; // input and output files are identical
int filesFormatted; // number of files formatted
int filesUnchanged; // number of files unchanged
bool lineEndsMixed; // output has mixed line ends
int linesOut; // number of output lines
string outputEOL; // current line end
string prevEOL; // previous line end
string astyleExePath; // absolute executable path and name from argv[0]
string optionFileName; // file path and name of the options file
string origSuffix; // suffix= option
string projectOptionFileName; // file path and name of the project options file
string stdPathIn; // path to input from stdin=
string stdPathOut; // path to output from stdout=
string targetDirectory; // path to the directory being processed
string targetFilename; // file name being processed
vector<string> excludeVector; // exclude from wildcard hits
vector<bool> excludeHitsVector; // exclude flags for error reporting
vector<string> fileNameVector; // file paths and names from the command line
vector<string> optionsVector; // options from the command line
vector<string> projectOptionsVector;// project options from the project options file
vector<string> fileOptionsVector; // options from the options file
vector<string> fileName; // files to be processed including path
public: // functions
explicit ASConsole(ASFormatter& formatterArg);
ASConsole(const ASConsole&) = delete;
ASConsole& operator=(ASConsole const&) = delete;
void convertLineEnds(ostringstream& out, int lineEnd);
FileEncoding detectEncoding(const char* data, size_t dataSize) const;
void error() const;
void error(const char* why, const char* what) const;
void formatCinToCout();
vector<string> getArgvOptions(int argc, char** argv);
bool fileExists(const char* file) const;
bool fileNameVectorIsEmpty() const;
ostream* getErrorStream() const;
bool getFilesAreIdentical() const;
int getFilesFormatted() const;
bool getIgnoreExcludeErrors() const;
bool getIgnoreExcludeErrorsDisplay() const;
bool getIsDryRun() const;
bool getIsFormattedOnly() const;
bool getIsQuiet() const;
bool getIsRecursive() const;
bool getIsVerbose() const;
bool getLineEndsMixed() const;
bool getNoBackup() const;
bool getPreserveDate() const;
string getLanguageID() const;
string getNumberFormat(int num, size_t lcid = 0) const;
string getNumberFormat(int num, const char* groupingArg, const char* separator) const;
string getOptionFileName() const;
string getOrigSuffix() const;
string getProjectOptionFileName() const;
string getStdPathIn() const;
string getStdPathOut() const;
void getTargetFilenames(string& targetFilename_, vector<string>& targetFilenameVector) const;
void processFiles();
void processOptions(const vector<string>& argvOptions);
void setBypassBrowserOpen(bool state);
void setErrorStream(ostream* errStreamPtr);
void setIgnoreExcludeErrors(bool state);
void setIgnoreExcludeErrorsAndDisplay(bool state);
void setIsDryRun(bool state);
void setIsFormattedOnly(bool state);
void setIsQuiet(bool state);
void setIsRecursive(bool state);
void setIsVerbose(bool state);
void setNoBackup(bool state);
void setOptionFileName(const string& name);
void setOrigSuffix(const string& suffix);
void setPreserveDate(bool state);
void setProjectOptionFileName(const string& optfilepath);
void setStdPathIn(const string& path);
void setStdPathOut(const string& path);
void standardizePath(string& path, bool removeBeginningSeparator = false) const;
bool stringEndsWith(const string& str, const string& suffix) const;
void updateExcludeVector(const string& suffixParam);
vector<string> getExcludeVector() const;
vector<bool> getExcludeHitsVector() const;
vector<string> getFileNameVector() const;
vector<string> getOptionsVector() const;
vector<string> getProjectOptionsVector() const;
vector<string> getFileOptionsVector() const;
vector<string> getFileName() const;
private: // functions
void correctMixedLineEnds(ostringstream& out);
void formatFile(const string& fileName_);
string getParentDirectory(const string& absPath) const;
string findProjectOptionFilePath(const string& fileName_) const;
string getCurrentDirectory(const string& fileName_) const;
void getFileNames(const string& directory, const vector<string>& wildcards);
void getFilePaths(const string& filePath);
string getFullPathName(const string& relativePath) const;
string getHtmlInstallPrefix() const;
string getParam(const string& arg, const char* op);
bool isHomeOrInvalidAbsPath(const string& absPath) const;
void initializeOutputEOL(LineEndFormat lineEndFormat);
bool isOption(const string& arg, const char* op);
bool isOption(const string& arg, const char* a, const char* b);
bool isParamOption(const string& arg, const char* option);
bool isPathExclued(const string& subPath);
void launchDefaultBrowser(const char* filePathIn = nullptr) const;
void printHelp() const;
void printMsg(const char* msg, const string& data) const;
void printSeparatingLine() const;
void printVerboseHeader() const;
void printVerboseStats(clock_t startTime) const;
FileEncoding readFile(const string& fileName_, stringstream& in) const;
void removeFile(const char* fileName_, const char* errMsg) const;
void renameFile(const char* oldFileName, const char* newFileName, const char* errMsg) const;
void setOutputEOL(LineEndFormat lineEndFormat, const string& currentEOL);
void sleep(int seconds) const;
int waitForRemove(const char* newFileName) const;
int wildcmp(const char* wild, const char* data) const;
void writeFile(const string& fileName_, FileEncoding encoding, ostringstream& out) const;
#ifdef _WIN32
void displayLastError();
#endif
};
#else // ASTYLE_LIB
//----------------------------------------------------------------------------
// ASLibrary class for library build
//----------------------------------------------------------------------------
class ASLibrary
{
public:
ASLibrary() = default;
virtual ~ASLibrary() = default;
// virtual functions are mocked in testing
char16_t* formatUtf16(const char16_t*, const char16_t*, fpError, fpAlloc) const;
virtual char16_t* convertUtf8ToUtf16(const char* utf8In, fpAlloc fpMemoryAlloc) const;
virtual char* convertUtf16ToUtf8(const char16_t* utf16In) const;
private:
static char* STDCALL tempMemoryAllocation(unsigned long memoryNeeded);
private:
ASEncoding encode; // file encoding conversion
};
#endif // ASTYLE_LIB
//----------------------------------------------------------------------------
} // end of namespace astyle
//----------------------------------------------------------------------------
// declarations for java native interface (JNI) build
// they are called externally and are NOT part of the namespace
//----------------------------------------------------------------------------
#ifdef ASTYLE_JNI
void STDCALL javaErrorHandler(int errorNumber, const char* errorMessage);
char* STDCALL javaMemoryAlloc(unsigned long memoryNeeded);
// the following function names are constructed from method names in the calling java program
extern "C" EXPORT
jstring STDCALL Java_AStyleInterface_AStyleGetVersion(JNIEnv* env, jclass);
extern "C" EXPORT
jstring STDCALL Java_AStyleInterface_AStyleMain(JNIEnv* env,
jobject obj,
jstring textInJava,
jstring optionsJava);
#endif // ASTYLE_JNI
//----------------------------------------------------------------------------
// declarations for UTF-16 interface
// they are called externally and are NOT part of the namespace
//----------------------------------------------------------------------------
#ifdef ASTYLE_LIB
extern "C" EXPORT
char16_t* STDCALL AStyleMainUtf16(const char16_t* pSourceIn,
const char16_t* pOptions,
fpError fpErrorHandler,
fpAlloc fpMemoryAlloc);
#endif // ASTYLE_LIB
//-----------------------------------------------------------------------------
// declarations for standard DLL interface
// they are called externally and are NOT part of the namespace
//-----------------------------------------------------------------------------
#ifdef ASTYLE_LIB
extern "C" EXPORT char* STDCALL AStyleMain(const char* pSourceIn,
const char* pOptions,
fpError fpErrorHandler,
fpAlloc fpMemoryAlloc);
extern "C" EXPORT const char* STDCALL AStyleGetVersion(void);
#endif // ASTYLE_LIB
//-----------------------------------------------------------------------------
#endif // closes ASTYLE_MAIN_H
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