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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *   astyle.h
 *   This file is a part of "Artistic Style" - an indentation and
 *   reformatting tool for C, C++, C# and Java source files.
 *   http://astyle.sourceforge.net
 *   The "Artistic Style" project, including all files needed to
 *   compile it, is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) any later
 *   version.
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   GNU General Public License for more details.
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this project; if not, write to the
 *   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *   Boston, MA  02110-1301, USA.
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

#ifndef ASTYLE_H
#define ASTYLE_H

#ifdef __VMS
#define __USE_STD_IOSTREAM 1
#include <sstream>

#include <string>
#include <vector>
#include <cctype>
#include <cstring>

using namespace std;

// 4996 - secure version deprecation warnings for .NET 2005
// 4267 - 64 bit signed/unsigned loss of data
#ifdef _MSC_VER
#pragma warning(disable: 4996)
#pragma warning(disable: 4267)

namespace astyle

enum FileType      { C_TYPE=0, JAVA_TYPE=1, SHARP_TYPE=2 };

/* The enums below are not recognized by 'vectors' in Microsoft Visual C++
   V5 when they are part of a namespace!!!  Use Visual C++ V6 or higher.

enum BracketType   { NULL_TYPE = 0,
                     NAMESPACE_TYPE = 1,        // also a DEFINITION_TYPE
                     CLASS_TYPE = 2,                  // also a DEFINITION_TYPE
                     DEFINITION_TYPE = 4,
                     COMMAND_TYPE = 8,
                     ARRAY_TYPE  = 16,          // arrays and enums
                     SINGLE_LINE_TYPE = 32

class ASSourceIterator
            int eolWindows;
            int eolLinux;
            int eolMacOld;
            char outputEOL[4];    // output end of line char
            ASSourceIterator() { eolWindows = eolLinux = eolMacOld = 0; }
            virtual ~ASSourceIterator() {}
            virtual bool hasMoreLines() const = 0;
            virtual string nextLine() = 0;

class ASResource
            void buildAssignmentOperators(vector<const string*> &assignmentOperators);
            void buildCastOperators(vector<const string*> &castOperators);
            void buildHeaders(vector<const string*> &headers, int fileType, bool beautifier=false);
            void buildNonAssignmentOperators(vector<const string*> &nonAssignmentOperators);
            void buildNonParenHeaders(vector<const string*> &nonParenHeaders, int fileType, bool beautifier=false);
            void buildOperators(vector<const string*> &operators);
            void buildPreBlockStatements(vector<const string*> &preBlockStatements);
            void buildPreCommandHeaders(vector<const string*> &preCommandHeaders);
            void buildPreDefinitionHeaders(vector<const string*> &preDefinitionHeaders);

            static const string AS_IF, AS_ELSE;
            static const string AS_DO, AS_WHILE;
            static const string AS_FOR;
            static const string AS_SWITCH, AS_CASE, AS_DEFAULT;
            static const string AS_TRY, AS_CATCH, AS_THROWS, AS_FINALLY;
            static const string AS_PUBLIC, AS_PROTECTED, AS_PRIVATE;
            static const string AS_STATIC;
            static const string AS_CONST;
            static const string AS_SYNCHRONIZED;
            static const string AS_OPERATOR, AS_TEMPLATE;
            static const string AS_OPEN_BRACKET, AS_CLOSE_BRACKET;
            static const string AS_OPEN_LINE_COMMENT, AS_OPEN_COMMENT, AS_CLOSE_COMMENT;
            static const string AS_BAR_DEFINE, AS_BAR_INCLUDE, AS_BAR_IF, AS_BAR_EL, AS_BAR_ENDIF;
            static const string AS_RETURN;
            static const string AS_ASSIGN, AS_PLUS_ASSIGN, AS_MINUS_ASSIGN, AS_MULT_ASSIGN;
            static const string AS_GR_GR_ASSIGN, AS_LS_LS_ASSIGN, AS_GR_GR_GR_ASSIGN, AS_LS_LS_LS_ASSIGN;
            static const string AS_LS_EQUAL, AS_LS_LS_LS, AS_LS_LS, AS_ARROW, AS_AND, AS_OR;
            static const string AS_COLON_COLON, AS_PAREN_PAREN, AS_BLPAREN_BLPAREN;
            static const string AS_PLUS, AS_MINUS, AS_MULT, AS_DIV, AS_MOD, AS_GR, AS_LS;
            static const string AS_NOT, AS_BIT_XOR, AS_BIT_OR, AS_BIT_AND, AS_BIT_NOT;
            static const string AS_QUESTION, AS_COLON, AS_SEMICOLON, AS_COMMA;
            static const string AS_ASM;
            static const string AS_FOREACH, AS_LOCK, AS_UNSAFE, AS_FIXED;
            static const string AS_GET, AS_SET, AS_ADD, AS_REMOVE;

class ASBeautifier : protected ASResource
            virtual ~ASBeautifier();
            virtual void init(ASSourceIterator* iter); // pointer to dynamically created iterator.
            void init();
            virtual bool hasMoreLines() const;
            virtual string nextLine();
            virtual string beautify(const string &line);
            void setTabIndentation(int length = 4, bool forceTabs = false);
            void setSpaceIndentation(int length = 4);
            void setMaxInStatementIndentLength(int max);
            void setMinConditionalIndentLength(int min);
            void setClassIndent(bool state);
            void setSwitchIndent(bool state);
            void setCaseIndent(bool state);
            void setBracketIndent(bool state);
            void setBlockIndent(bool state);
            void setNamespaceIndent(bool state);
            void setLabelIndent(bool state);
            void setCStyle();
            void setJavaStyle();
            void setSharpStyle();
            void setEmptyLineFill(bool state);
            void setPreprocessorIndent(bool state);
            int  getIndentLength(void);
            string getIndentString(void);
            bool getCaseIndent(void);
            bool getCStyle(void);
            bool getJavaStyle(void);
            bool getSharpStyle(void);
            bool getEmptyLineFill(void);

            int getNextProgramCharDistance(const string &line, int i);
//          bool isLegalNameChar(char ch) const;
            const string *findHeader(const string &line, int i,
                                     const vector<const string*> &possibleHeaders,
                                     bool checkBoundry = true);
            string trim(const string &str);
            int  indexOf(vector<const string*> &container, const string *element);
            int  fileType;
            bool isCStyle;
            bool isJavaStyle;
            bool isSharpStyle;

            // variables set by ASFormatter - must be updated in preprocessor
            int  inLineNumber;              // for debugging
            int  outLineNumber;                       // for debugging
            bool lineCommentNoBeautify;
            bool isNonInStatementArray;

            ASBeautifier(const ASBeautifier &copy);
            void operator=(ASBeautifier&); // not to be implemented

            void initStatic();
            void registerInStatementIndent(const string &line, int i, int spaceTabCount,
                                           int minIndent, bool updateParenStack);
            string preLineWS(int spaceTabCount, int tabCount);

            static vector<const string*> headers;
            static vector<const string*> nonParenHeaders;
            static vector<const string*> preBlockStatements;
            static vector<const string*> assignmentOperators;
            static vector<const string*> nonAssignmentOperators;

            ASSourceIterator *sourceIterator;
            vector<ASBeautifier*> *waitingBeautifierStack;
            vector<ASBeautifier*> *activeBeautifierStack;
            vector<int> *waitingBeautifierStackLengthStack;
            vector<int> *activeBeautifierStackLengthStack;
            vector<const string*> *headerStack;
            vector< vector<const string*>* > *tempStacks;
            vector<int> *blockParenDepthStack;
            vector<bool> *blockStatementStack;
            vector<bool> *parenStatementStack;
            vector<int> *inStatementIndentStack;
            vector<int> *inStatementIndentStackSizeStack;
            vector<int> *parenIndentStack;
            vector<bool> *bracketBlockStateStack;
            string indentString;
            const string *currentHeader;
            const string *previousLastLineHeader;
            const string *immediatelyPreviousAssignmentOp;
            const string *probationHeader;
            bool isInQuote;
            bool isInComment;
            bool isInCase;
            bool isInQuestion;
            bool isInStatement;
            bool isInHeader;
            bool isInOperator;
            bool isInTemplate;
            bool isInDefine;
            bool isInDefineDefinition;
            bool classIndent;
            bool isInClassHeader;
            bool isInClassHeaderTab;
            bool switchIndent;
            bool caseIndent;
            bool namespaceIndent;
            bool bracketIndent;
            bool blockIndent;
            bool labelIndent;
            bool preprocessorIndent;
            bool isInConditional;
            bool isMinimalConditinalIndentSet;
            bool shouldForceTabIndentation;
            bool emptyLineFill;
            bool backslashEndsPrevLine;
            bool blockCommentNoIndent;
            bool blockCommentNoBeautify;
            bool previousLineProbationTab;
            int  minConditionalIndent;
            int  parenDepth;
            int  indentLength;
            int  blockTabCount;
            int  leadingWhiteSpaces;
            int  maxInStatementIndent;
            int  templateDepth;
            int  prevFinalLineSpaceTabCount;
            int  prevFinalLineTabCount;
            int  defineTabCount;
            char quoteChar;
            char prevNonSpaceCh;
            char currentNonSpaceCh;
            char currentNonLegalCh;
            char prevNonLegalCh;
            char peekNextChar(string &line, int i);

      protected:    // inline functions
            // check if a specific character can be used in a legal variable/method/class name
            inline bool isLegalNameChar(char ch) const {
                  return (isalnum(ch) || ch == '.' || ch == '_' || (isJavaStyle && ch == '$') || (isCStyle && ch == '~'));

            // check if a specific character is a whitespace character
            inline bool isWhiteSpace(char ch) const {
                  return (ch == ' ' || ch == '\t');

class ASEnhancer
            // functions
            void init(int, string, bool, bool, bool, bool, bool);
            void enhance(string &line);

            // set by init function
            int    indentLength;
            bool   useTabs;
            bool   isCStyle;
            bool   isJavaStyle;
            bool   isSharpStyle;
            bool   caseIndent;
            bool   emptyLineFill;

            // parsing variables
            int  lineNumber;
            bool isInQuote;
            bool isInComment;
            char quoteChar;

            // unindent variables
            int  bracketCount;
            int  switchDepth;
            bool lookingForCaseBracket;
            bool unindentNextLine;

            // stringstream for trace
            stringstream *traceOut;

      private:    // private functions
            bool findKeyword(const string &line, int i, const char *header) const;
            int  indentLine(string  &line, const int indent) const;
            int  unindentLine(string  &line, const int unindent) const;

            // struct used by ParseFormattedLine function
            // contains variables used to unindent the case blocks
            struct switchVariables {
                  int  switchBracketCount;
                  int  unindentDepth;
                  bool unindentCase;

                  switchVariables() {                 // constructor
                        switchBracketCount = 0;
                        unindentDepth = 0;
                        unindentCase = false;

      private:    // inline functions
            // check if a specific character can be used in a legal variable/method/class name
            inline bool isLegalNameCharX(char ch) const {
                  return (isalnum(ch) || ch == '.' || ch == '_' || (isJavaStyle && ch == '$') || (isCStyle && ch == '~'));

            // check if a specific character is a whitespace character
            inline bool isWhiteSpaceX(char ch) const {
                  return (ch == ' ' || ch == '\t');

class ASFormatter : public ASBeautifier, private ASEnhancer
            virtual ~ASFormatter();
            virtual void init(ASSourceIterator* iter);
            virtual bool hasMoreLines() const;
            virtual string nextLine();
            void setBracketFormatMode(BracketMode mode);
            void setBreakClosingHeaderBracketsMode(bool state);
            void setOperatorPaddingMode(bool mode);
            void setParensOutsidePaddingMode(bool mode);
            void setParensInsidePaddingMode(bool mode);
            void setParensUnPaddingMode(bool state);
            void setBreakOneLineBlocksMode(bool state);
            void setSingleStatementsMode(bool state);
            void setTabSpaceConversionMode(bool state);
            void setBreakBlocksMode(bool state);
            void setBreakClosingHeaderBlocksMode(bool state);
            void setBreakElseIfsMode(bool state);
            string fileName;

            void ASformatter(ASFormatter &copy);            // not to be imlpemented
            void operator=(ASFormatter&);                  // not to be implemented
            void staticInit();
            void goForward(int i);
            void trimNewLine();
            char peekNextChar() const;
            BracketType getBracketType() const;
            bool getNextChar();
            bool isBeforeComment() const;
            bool isBeforeLineEndComment(int startPos) const;
            bool isPointerOrReference() const;
            bool isUnaryMinus() const;
            bool isInExponent() const;
            bool isOneLineBlockReached() const;
//          bool isNextCharWhiteSpace() const;
            bool lineBeginsWith(char charToCheck) const;
            void appendChar(char ch, bool canBreakLine = true);
            void appendCharInsideComments();
            void appendSequence(const string &sequence, bool canBreakLine = true);
            void appendSpacePad();
            void appendSpaceAfter();
            void breakLine();
            void padOperators(const string *newOperator);
            void padParens();
            void formatBrackets(BracketType bracketType);
            void formatArrayBrackets(BracketType bracketType, bool isOpeningArrayBracket);
            void adjustComments();
            const string *findHeader(const vector<const string*> &headers, bool checkBoundry = true);

            static vector<const string*> headers;
            static vector<const string*> nonParenHeaders;
            static vector<const string*> preDefinitionHeaders;
            static vector<const string*> preCommandHeaders;
            static vector<const string*> operators;
            static vector<const string*> assignmentOperators;
            static vector<const string*> castOperators;

            ASSourceIterator *sourceIterator;
            vector<const string*> *preBracketHeaderStack;
            vector<BracketType> *bracketTypeStack;
            vector<int> *parenStack;
            string readyFormattedLine;
            string currentLine;
            string formattedLine;
            const string *currentHeader;
            const string *previousOperator;    // used ONLY by pad=oper
            char currentChar;
            char previousChar;
            char previousNonWSChar;
            char previousCommandChar;
            char quoteChar;
            int  charNum;
            int  spacePadNum;
            int  templateDepth;
            int  traceFileNumber;
            size_t formattedLineCommentNum;           // comment location on formattedLine
            size_t previousReadyFormattedLineLength;
            BracketMode bracketFormatMode;
            BracketType previousBracketType;
            bool isVirgin;
            bool shouldPadOperators;
            bool shouldPadParensOutside;
            bool shouldPadParensInside;
            bool shouldUnPadParens;
            bool shouldConvertTabs;
            bool isInLineComment;
            bool isInComment;
            bool isInPreprocessor;
            bool isInTemplate;   // true both in template definitions (e.g. template<class A>) and template usage (e.g. F<int>).
            bool doesLineStartComment;
            bool isInQuote;
            bool isInBlParen;
            bool isSpecialChar;
            bool isNonParenHeader;
            bool foundQuestionMark;
            bool foundPreDefinitionHeader;
            bool foundNamespaceHeader;
            bool foundClassHeader;
            bool foundPreCommandHeader;
            bool foundCastOperator;
            bool isInLineBreak;
//          bool isInClosingBracketLineBreak;
            bool endOfCodeReached;
            bool lineCommentNoIndent;
            bool isLineReady;
            bool isPreviousBracketBlockRelated;
            bool isInPotentialCalculation;
            bool isCharImmediatelyPostComment;
            bool isPreviousCharPostComment;
            bool isCharImmediatelyPostLineComment;
            bool isCharImmediatelyPostOpenBlock;
            bool isCharImmediatelyPostCloseBlock;
            bool isCharImmediatelyPostTemplate;
            bool shouldBreakOneLineBlocks;
            bool shouldReparseCurrentChar;
            bool shouldBreakOneLineStatements;
            bool shouldBreakLineAfterComments;
            bool shouldBreakClosingHeaderBrackets;
            bool shouldBreakElseIfs;
            bool passedSemicolon;
            bool passedColon;
            bool isImmediatelyPostComment;
            bool isImmediatelyPostLineComment;
            bool isImmediatelyPostEmptyBlock;
            bool isImmediatelyPostPreprocessor;

            bool shouldBreakBlocks;
            bool shouldBreakClosingHeaderBlocks;
            bool isPrependPostBlockEmptyLineRequested;
            bool isAppendPostBlockEmptyLineRequested;

            bool prependEmptyLine;
            bool appendOpeningBracket;
            bool foundClosingHeader;

            bool isInHeader;
            bool isImmediatelyPostHeader;

      private:    // inline functions
            // append the CURRENT character (curentChar)to the current formatted line.
            inline void appendCurrentChar(bool canBreakLine = true) {
                  appendChar(currentChar, canBreakLine);

            // check if a specific sequence exists in the current placement of the current line
            inline bool isSequenceReached(const char *sequence) const {
                  return currentLine.compare(charNum, strlen(sequence), sequence) == 0;

}   // end of namespace astyle

#endif // closes ASTYLE_H

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