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astyle/ASBeautifier.cpp
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/*
* Copyright (c) 1998,1999,2000,2001,2002 Tal Davidson. All rights reserved.
*
* ASBeautifier.cpp
* by Tal Davidson (davidsont@bigfoot.com)
* This file is a part of "Artistic Style" - an indentater and reformatter
* of C, C, C# and Java source files.
*
* The "Artistic Style" project, including all files needed to compile it,
* is free software; you can redistribute it and/or use it and/or modify it
* under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU General Public
* License along with this program.
*
* Patches:
* 18 March 1999 - Brian Rampel -
* Fixed inverse insertion of spaces vs. tabs when in -t mode.
* 08 may 2004
* applied ASBeautifier.cpp.BITFIELD.patch.bz2
*/
#include "compiler_defines.h"
#include "ASBeautifier.h"
#include <vector>
#include <string>
#include <cctype>
#include <algorithm>
#include <iostream>
#define INIT_CONTAINER(container, value) {if ( (container) != NULL ) delete (container); (container) = (value); }
#define DELETE_CONTAINER(container) {if ( (container) != NULL ) delete (container) ; }
#ifdef USES_NAMESPACE
using namespace std;
#endif
#ifdef USES_NAMESPACE
namespace astyle
{
#endif
bool ASBeautifier::calledInitStatic = false;
vector<const string*> ASBeautifier::headers;
vector<const string*> ASBeautifier::nonParenHeaders;
vector<const string*> ASBeautifier::preBlockStatements;
vector<const string*> ASBeautifier::assignmentOperators;
vector<const string*> ASBeautifier::nonAssignmentOperators;
/*
* initialize the static vars
*/
void ASBeautifier::initStatic()
{
if (calledInitStatic)
return;
calledInitStatic = true;
headers.push_back(&AS_IF);
headers.push_back(&AS_ELSE);
headers.push_back(&AS_FOR);
headers.push_back(&AS_WHILE);
headers.push_back(&AS_DO);
headers.push_back(&AS_TRY);
headers.push_back(&AS_CATCH);
headers.push_back(&AS_FINALLY);
headers.push_back(&AS_SYNCHRONIZED);
headers.push_back(&AS_SWITCH);
headers.push_back(&AS_CASE);
headers.push_back(&AS_DEFAULT);
headers.push_back(&AS_FOREACH);
headers.push_back(&AS_LOCK);
headers.push_back(&AS_UNSAFE);
headers.push_back(&AS_FIXED);
headers.push_back(&AS_GET);
headers.push_back(&AS_SET);
headers.push_back(&AS_ADD);
headers.push_back(&AS_REMOVE);
//headers.push_back(&AS_PUBLIC);
//headers.push_back(&AS_PRIVATE);
//headers.push_back(&AS_PROTECTED);
//headers.push_back(&AS_OPERATOR);
headers.push_back(&AS_TEMPLATE);
headers.push_back(&AS_CONST);
/**/
headers.push_back(&AS_STATIC);
headers.push_back(&AS_EXTERN);
nonParenHeaders.push_back(&AS_ELSE);
nonParenHeaders.push_back(&AS_DO);
nonParenHeaders.push_back(&AS_TRY);
nonParenHeaders.push_back(&AS_FINALLY);
nonParenHeaders.push_back(&AS_STATIC);
nonParenHeaders.push_back(&AS_CONST);
nonParenHeaders.push_back(&AS_EXTERN);
nonParenHeaders.push_back(&AS_CASE);
nonParenHeaders.push_back(&AS_DEFAULT);
nonParenHeaders.push_back(&AS_UNSAFE);
nonParenHeaders.push_back(&AS_GET);
nonParenHeaders.push_back(&AS_SET);
nonParenHeaders.push_back(&AS_ADD);
nonParenHeaders.push_back(&AS_REMOVE);
nonParenHeaders.push_back(&AS_PUBLIC);
nonParenHeaders.push_back(&AS_PRIVATE);
nonParenHeaders.push_back(&AS_PROTECTED);
nonParenHeaders.push_back(&AS_TEMPLATE);
nonParenHeaders.push_back(&AS_CONST);
/// nonParenHeaders.push_back(&AS_ASM);
preBlockStatements.push_back(&AS_CLASS);
preBlockStatements.push_back(&AS_STRUCT);
preBlockStatements.push_back(&AS_UNION);
preBlockStatements.push_back(&AS_INTERFACE);
preBlockStatements.push_back(&AS_NAMESPACE);
preBlockStatements.push_back(&AS_THROWS);
preBlockStatements.push_back(&AS_EXTERN);
assignmentOperators.push_back(&AS_ASSIGN);
assignmentOperators.push_back(&AS_PLUS_ASSIGN);
assignmentOperators.push_back(&AS_MINUS_ASSIGN);
assignmentOperators.push_back(&AS_MULT_ASSIGN);
assignmentOperators.push_back(&AS_DIV_ASSIGN);
assignmentOperators.push_back(&AS_MOD_ASSIGN);
assignmentOperators.push_back(&AS_OR_ASSIGN);
assignmentOperators.push_back(&AS_AND_ASSIGN);
assignmentOperators.push_back(&AS_XOR_ASSIGN);
assignmentOperators.push_back(&AS_GR_GR_GR_ASSIGN);
assignmentOperators.push_back(&AS_GR_GR_ASSIGN);
assignmentOperators.push_back(&AS_LS_LS_LS_ASSIGN);
assignmentOperators.push_back(&AS_LS_LS_ASSIGN);
assignmentOperators.push_back(&AS_RETURN);
nonAssignmentOperators.push_back(&AS_EQUAL);
nonAssignmentOperators.push_back(&AS_PLUS_PLUS);
nonAssignmentOperators.push_back(&AS_MINUS_MINUS);
nonAssignmentOperators.push_back(&AS_NOT_EQUAL);
nonAssignmentOperators.push_back(&AS_GR_EQUAL);
nonAssignmentOperators.push_back(&AS_GR_GR_GR);
nonAssignmentOperators.push_back(&AS_GR_GR);
nonAssignmentOperators.push_back(&AS_LS_EQUAL);
nonAssignmentOperators.push_back(&AS_LS_LS_LS);
nonAssignmentOperators.push_back(&AS_LS_LS);
nonAssignmentOperators.push_back(&AS_ARROW);
nonAssignmentOperators.push_back(&AS_AND);
nonAssignmentOperators.push_back(&AS_OR);
}
/**
* ASBeautifier's constructor
*/
ASBeautifier::ASBeautifier()
{
initStatic();
waitingBeautifierStack = NULL;
activeBeautifierStack = NULL;
waitingBeautifierStackLengthStack = NULL;
activeBeautifierStackLengthStack = NULL;
headerStack = NULL;
tempStacks = NULL;
blockParenDepthStack = NULL;
blockStatementStack = NULL;
parenStatementStack = NULL;
bracketBlockStateStack = NULL;
inStatementIndentStack = NULL;
inStatementIndentStackSizeStack = NULL;
parenIndentStack = NULL;
sourceIterator = NULL;
isMinimalConditinalIndentSet = false;
shouldForceTabIndentation = false;
setSpaceIndentation(4);
setMaxInStatementIndentLength(40);
setClassIndent(false);
setSwitchIndent(false);
setCaseIndent(false);
setBlockIndent(false);
setBracketIndent(false);
setNamespaceIndent(false);
setLabelIndent(false);
setEmptyLineFill(false);
setCStyle();
setPreprocessorIndent(false);
}
ASBeautifier::ASBeautifier(const ASBeautifier &other)
{
waitingBeautifierStack = NULL;
activeBeautifierStack = NULL;
waitingBeautifierStackLengthStack = NULL;
activeBeautifierStackLengthStack = NULL;
headerStack = new vector<const string*>;
*headerStack = *other.headerStack;
tempStacks = new vector< vector<const string*>* >;
vector< vector<const string*>* >::iterator iter;
for (iter = other.tempStacks->begin();
iter != other.tempStacks->end();
++iter)
{
vector<const string*> *newVec = new vector<const string*>;
*newVec = **iter;
tempStacks->push_back(newVec);
}
blockParenDepthStack = new vector<int>;
*blockParenDepthStack = *other.blockParenDepthStack;
blockStatementStack = new vector<bool>;
*blockStatementStack = *other.blockStatementStack;
parenStatementStack = new vector<bool>;
*parenStatementStack = *other.parenStatementStack;
bracketBlockStateStack = new vector<bool>;
*bracketBlockStateStack = *other.bracketBlockStateStack;
inStatementIndentStack = new vector<int>;
*inStatementIndentStack = *other.inStatementIndentStack;
inStatementIndentStackSizeStack = new vector<int>;
*inStatementIndentStackSizeStack = *other.inStatementIndentStackSizeStack;
parenIndentStack = new vector<int>;
*parenIndentStack = *other.parenIndentStack;
sourceIterator = other.sourceIterator;
indentString = other.indentString;
currentHeader = other.currentHeader;
previousLastLineHeader = other.previousLastLineHeader;
immediatelyPreviousAssignmentOp = other.immediatelyPreviousAssignmentOp;
isInQuote = other.isInQuote;
isInComment = other.isInComment;
isInCase = other.isInCase;
isInQuestion = other.isInQuestion;
isInStatement =other. isInStatement;
isInHeader = other.isInHeader;
isCStyle = other.isCStyle;
isInOperator = other.isInOperator;
isInTemplate = other.isInTemplate;
isInConst = other.isInConst;
classIndent = other.classIndent;
isInClassHeader = other.isInClassHeader;
isInClassHeaderTab = other.isInClassHeaderTab;
switchIndent = other.switchIndent;
caseIndent = other.caseIndent;
namespaceIndent = other.namespaceIndent;
bracketIndent = other.bracketIndent;
blockIndent = other.blockIndent;
labelIndent = other.labelIndent;
preprocessorIndent = other.preprocessorIndent;
parenDepth = other.parenDepth;
indentLength = other.indentLength;
blockTabCount = other.blockTabCount;
leadingWhiteSpaces = other.leadingWhiteSpaces;
maxInStatementIndent = other.maxInStatementIndent;
templateDepth = other.templateDepth;
quoteChar = other.quoteChar;
prevNonSpaceCh = other.prevNonSpaceCh;
currentNonSpaceCh = other.currentNonSpaceCh;
currentNonLegalCh = other.currentNonLegalCh;
prevNonLegalCh = other.prevNonLegalCh;
isInConditional = other.isInConditional;
minConditionalIndent = other.minConditionalIndent;
prevFinalLineSpaceTabCount = other.prevFinalLineSpaceTabCount;
prevFinalLineTabCount = other.prevFinalLineTabCount;
emptyLineFill = other.emptyLineFill;
probationHeader = other.probationHeader;
isInDefine = other.isInDefine;
isInDefineDefinition = other.isInDefineDefinition;
backslashEndsPrevLine = other.backslashEndsPrevLine;
defineTabCount = other.defineTabCount;
}
/**
* ASBeautifier's destructor
*/
ASBeautifier::~ASBeautifier()
{
DELETE_CONTAINER( headerStack );
DELETE_CONTAINER( tempStacks );
DELETE_CONTAINER( blockParenDepthStack );
DELETE_CONTAINER( blockStatementStack );
DELETE_CONTAINER( parenStatementStack );
DELETE_CONTAINER( bracketBlockStateStack );
DELETE_CONTAINER( inStatementIndentStack );
DELETE_CONTAINER( inStatementIndentStackSizeStack );
DELETE_CONTAINER( parenIndentStack );
// DELETE_CONTAINER( sourceIterator );
}
/**
* initialize the ASBeautifier.
*
* init() should be called every time a ABeautifier object is to start
* beautifying a NEW source file.
* init() recieves a pointer to a DYNAMICALLY CREATED ASSourceIterator object
* that will be used to iterate through the source code. This object will be
* deleted during the ASBeautifier's destruction, and thus should not be
* deleted elsewhere.
*
* @param iter a pointer to the DYNAMICALLY CREATED ASSourceIterator object.
*/
void ASBeautifier::init(ASSourceIterator *iter)
{
sourceIterator = iter;
init();
}
/**
* initialize the ASBeautifier.
*/
void ASBeautifier::init()
{
INIT_CONTAINER( waitingBeautifierStack, new vector<ASBeautifier*> );
INIT_CONTAINER( activeBeautifierStack, new vector<ASBeautifier*> );
INIT_CONTAINER( waitingBeautifierStackLengthStack, new vector<int> );
INIT_CONTAINER( activeBeautifierStackLengthStack, new vector<int> );
INIT_CONTAINER( headerStack, new vector<const string*> );
INIT_CONTAINER( tempStacks, new vector< vector<const string*>* > );
tempStacks->push_back(new vector<const string*>);
INIT_CONTAINER( blockParenDepthStack, new vector<int> );
INIT_CONTAINER( blockStatementStack, new vector<bool> );
INIT_CONTAINER( parenStatementStack, new vector<bool> );
INIT_CONTAINER( bracketBlockStateStack, new vector<bool> );
bracketBlockStateStack->push_back(true);
INIT_CONTAINER( inStatementIndentStack, new vector<int> );
INIT_CONTAINER( inStatementIndentStackSizeStack, new vector<int> );
inStatementIndentStackSizeStack->push_back(0);
INIT_CONTAINER( parenIndentStack, new vector<int> );
immediatelyPreviousAssignmentOp = NULL;
previousLastLineHeader = NULL;
isInQuote = false;
isInComment = false;
isInStatement = false;
isInCase = false;
isInQuestion = false;
isInClassHeader = false;
isInClassHeaderTab = false;
isInHeader = false;
isInOperator = false;
isInTemplate = false;
isInConst = false;
isInConditional = false;
templateDepth = 0;
parenDepth=0;
blockTabCount = 0;
leadingWhiteSpaces = 0;
prevNonSpaceCh = '{';
currentNonSpaceCh = '{';
prevNonLegalCh = '{';
currentNonLegalCh = '{';
prevFinalLineSpaceTabCount = 0;
prevFinalLineTabCount = 0;
probationHeader = NULL;
backslashEndsPrevLine = false;
isInDefine = false;
isInDefineDefinition = false;
defineTabCount = 0;
}
/**
* set indentation style to ANSI C/C++.
*/
void ASBeautifier::setCStyle()
{
isCStyle = true;
}
/**
* set indentation style to Java / K&R.
*/
void ASBeautifier::setJavaStyle()
{
isCStyle = false;
}
/**
* indent using one tab per indentation
*/
void ASBeautifier::setTabIndentation(int length, bool forceTabs)
{
indentString = "\t";
indentLength = length;
shouldForceTabIndentation = forceTabs;
if (!isMinimalConditinalIndentSet)
minConditionalIndent = indentLength * 2;
}
/**
* indent using a number of spaces per indentation.
*
* @param length number of spaces per indent.
*/
void ASBeautifier::setSpaceIndentation(int length)
{
indentString=string(length, ' ');
indentLength = length;
if (!isMinimalConditinalIndentSet)
minConditionalIndent = indentLength * 2;
}
/**
* set the maximum indentation between two lines in a multi-line statement.
*
* @param max maximum indentation length.
*/
void ASBeautifier::setMaxInStatementIndentLength(int max)
{
maxInStatementIndent = max;
}
/**
* set the minimum indentation between two lines in a multi-line condition.
*
* @param min minimal indentation length.
*/
void ASBeautifier::setMinConditionalIndentLength(int min)
{
minConditionalIndent = min;
isMinimalConditinalIndentSet = true;
}
/**
* set the state of the bracket indentation option. If true, brackets will
* be indented one additional indent.
*
* @param state state of option.
*/
void ASBeautifier::setBracketIndent(bool state)
{
bracketIndent = state;
}
/**
* set the state of the block indentation option. If true, entire blocks
* will be indented one additional indent, similar to the GNU indent style.
*
* @param state state of option.
*/
void ASBeautifier::setBlockIndent(bool state)
{
if (state)
setBracketIndent(false); // so that we don't have both bracket and block indent
blockIndent = state;
}
/**
* set the state of the class indentation option. If true, C++ class
* definitions will be indented one additional indent.
*
* @param state state of option.
*/
void ASBeautifier::setClassIndent(bool state)
{
classIndent = state;
}
/**
* set the state of the switch indentation option. If true, blocks of 'switch'
* statements will be indented one additional indent.
*
* @param state state of option.
*/
void ASBeautifier::setSwitchIndent(bool state)
{
switchIndent = state;
}
/**
* set the state of the case indentation option. If true, lines of 'case'
* statements will be indented one additional indent.
*
* @param state state of option.
*/
void ASBeautifier::setCaseIndent(bool state)
{
caseIndent = state;
}
/**
* set the state of the namespace indentation option.
* If true, blocks of 'namespace' statements will be indented one
* additional indent. Otherwise, NO indentation will be added.
*
* @param state state of option.
*/
void ASBeautifier::setNamespaceIndent(bool state)
{
namespaceIndent = state;
}
/**
* set the state of the label indentation option.
* If true, labels will be indented one indent LESS than the
* current indentation level.
* If false, labels will be flushed to the left with NO
* indent at all.
*
* @param state state of option.
*/
void ASBeautifier::setLabelIndent(bool state)
{
labelIndent = state;
}
/**
* set the state of the preprocessor indentation option.
* If true, multiline #define statements will be indented.
*
* @param state state of option.
*/
void ASBeautifier::setPreprocessorIndent(bool state)
{
preprocessorIndent = state;
}
/**
* set the state of the empty line fill option.
* If true, empty lines will be filled with the whitespace.
* of their previous lines.
* If false, these lines will remain empty.
*
* @param state state of option.
*/
void ASBeautifier::setEmptyLineFill(bool state)
{
emptyLineFill = state;
}
/**
* check if there are any indented lines ready to be read by nextLine()
*
* @return are there any indented lines ready?
*/
bool ASBeautifier::hasMoreLines() const
{
return sourceIterator->hasMoreLines();
}
/**
* get the next indented line.
*
* @return indented line.
*/
string ASBeautifier::nextLine()
{
return beautify(sourceIterator->nextLine());
}
/**
* beautify a line of source code.
* every line of source code in a source code file should be sent
* one after the other to the beautify method.
*
* @return the indented line.
* @param originalLine the original unindented line.
*/
string ASBeautifier::beautify(const string &originalLine)
{
string line;
bool isInLineComment = false;
bool lineStartsInComment = false;
bool isInClass = false;
bool isInSwitch = false;
bool isImmediatelyAfterConst = false;
bool isSpecialChar = false;
char ch = ' ';
char prevCh;
string outBuffer; // the newly idented line is bufferd here
int tabCount = 0;
const string *lastLineHeader = NULL;
bool closingBracketReached = false;
int spaceTabCount = 0;
char tempCh;
unsigned int headerStackSize = headerStack->size();
//bool isLineInStatement = isInStatement;
bool shouldIndentBrackettedLine = true;
int lineOpeningBlocksNum = 0;
int lineClosingBlocksNum = 0;
bool previousLineProbation = (probationHeader != NULL);
unsigned int i;
currentHeader = NULL;
lineStartsInComment = isInComment;
// handle and remove white spaces around the line:
// If not in comment, first find out size of white space before line,
// so that possible comments starting in the line continue in
// relation to the preliminary white-space.
if (!isInComment)
{
leadingWhiteSpaces = 0;
while (leadingWhiteSpaces<originalLine.length() && originalLine[leadingWhiteSpaces] <= 0x20)
leadingWhiteSpaces++;
line = trim(originalLine);
}
else
{
unsigned int trimSize;
for (trimSize=0;
trimSize < originalLine.length() && trimSize<leadingWhiteSpaces && originalLine[trimSize] <= 0x20 ;
trimSize++)
;
line = originalLine.substr(trimSize);
}
if (line.length() == 0)
{
if (emptyLineFill)
return preLineWS(prevFinalLineSpaceTabCount, prevFinalLineTabCount);
else
return line;
}
// handle preprocessor commands
if (isCStyle && !isInComment && (line[0] == '#' || backslashEndsPrevLine))
{
if (line[0] == '#')
{
string preproc = trim(string(line.c_str() + 1));
// When finding a multi-lined #define statement, the original beautifier
// 1. sets its isInDefineDefinition flag
// 2. clones a new beautifier that will be used for the actual indentation
// of the #define. This clone is put into the activeBeautifierStack in order
// to be called for the actual indentation.
// The original beautifier will have isInDefineDefinition = true, isInDefine = false
// The cloned beautifier will have isInDefineDefinition = true, isInDefine = true
if (preprocessorIndent && preproc.COMPARE(0, 6, string("define")) == 0 && line[line.length() - 1] == '\\')
{
if (!isInDefineDefinition)
{
ASBeautifier *defineBeautifier;
// this is the original beautifier
isInDefineDefinition = true;
// push a new beautifier into the active stack
// this breautifier will be used for the indentation of this define
defineBeautifier = new ASBeautifier(*this);
//defineBeautifier->init();
//defineBeautifier->isInDefineDefinition = true;
//defineBeautifier->beautify("");
activeBeautifierStack->push_back(defineBeautifier);
}
else
{
// the is the cloned beautifier that is in charge of indenting the #define.
isInDefine = true;
}
}
else if (preproc.COMPARE(0, 2, string("if")) == 0)
{
// push a new beautifier into the stack
waitingBeautifierStackLengthStack->push_back(waitingBeautifierStack->size());
activeBeautifierStackLengthStack->push_back(activeBeautifierStack->size());
waitingBeautifierStack->push_back(new ASBeautifier(*this));
}
else if (preproc.COMPARE(0, 4/*2*/, string("else")) == 0)
{
if (!waitingBeautifierStack->empty())
{
// MOVE current waiting beautifier to active stack.
activeBeautifierStack->push_back(waitingBeautifierStack->back());
waitingBeautifierStack->pop_back();
}
}
else if (preproc.COMPARE(0, 4, string("elif")) == 0)
{
if (!waitingBeautifierStack->empty())
{
// append a COPY current waiting beautifier to active stack, WITHOUT deleting the original.
activeBeautifierStack->push_back( new ASBeautifier( *(waitingBeautifierStack->back()) ) );
}
}
else if (preproc.COMPARE(0, 5, string("endif")) == 0)
{
unsigned int stackLength;
ASBeautifier *beautifier;
if (!waitingBeautifierStackLengthStack->empty())
{
stackLength = waitingBeautifierStackLengthStack->back();
waitingBeautifierStackLengthStack->pop_back();
while (waitingBeautifierStack->size() > stackLength)
{
beautifier = waitingBeautifierStack->back();
waitingBeautifierStack->pop_back();
delete beautifier;
}
}
if (!activeBeautifierStackLengthStack->empty())
{
stackLength = activeBeautifierStackLengthStack->back();
activeBeautifierStackLengthStack->pop_back();
while (activeBeautifierStack->size() > stackLength)
{
beautifier = activeBeautifierStack->back();
activeBeautifierStack->pop_back();
delete beautifier;
}
}
}
}
// check if the last char is a backslash
if(line.length() > 0)
backslashEndsPrevLine = (line[line.length() - 1] == '\\');
else
backslashEndsPrevLine = false;
// check if this line ends a multi-line #define
// if so, use the #define's cloned beautifier for the line's indentation
// and then remove it from the active beautifier stack and delete it.
if (!backslashEndsPrevLine && isInDefineDefinition && !isInDefine)
{
string beautifiedLine;
ASBeautifier *defineBeautifier;
isInDefineDefinition = false;
defineBeautifier = activeBeautifierStack->back();
activeBeautifierStack->pop_back();
beautifiedLine = defineBeautifier->beautify(line);
delete defineBeautifier;
return beautifiedLine;
}
// unless this is a multi-line #define, return this precompiler line as is.
if (!isInDefine && !isInDefineDefinition)
return originalLine;
}
// if there exists any worker beautifier in the activeBeautifierStack,
// then use it instead of me to indent the current line.
if (!isInDefine && activeBeautifierStack != NULL && !activeBeautifierStack->empty())
{
return activeBeautifierStack->back()->beautify(line);
}
// calculate preliminary indentation based on data from past lines
if (!inStatementIndentStack->empty())
spaceTabCount = inStatementIndentStack->back();
for (i=0; i<headerStackSize; i++)
{
isInClass = false;
if (blockIndent || (!(i>0 && (*headerStack)[i-1] != &AS_OPEN_BRACKET
&& (*headerStack)[i] == &AS_OPEN_BRACKET)))
++tabCount;
if (isCStyle && !namespaceIndent && i >= 1
&& (*headerStack)[i-1] == &AS_NAMESPACE
&& (*headerStack)[i] == &AS_OPEN_BRACKET)
--tabCount;
if (isCStyle && i >= 1
&& (*headerStack)[i-1] == &AS_CLASS
&& (*headerStack)[i] == &AS_OPEN_BRACKET )
{
if (classIndent)
++tabCount;
isInClass = true;
}
// is the switchIndent option is on, indent switch statements an additional indent.
else if (switchIndent && i > 1 &&
(*headerStack)[i-1] == &AS_SWITCH &&
(*headerStack)[i] == &AS_OPEN_BRACKET
)
{
++tabCount;
isInSwitch = true;
}
}
if (!lineStartsInComment
&& isCStyle
&& isInClass
&& classIndent
&& headerStackSize >= 2
&&(*headerStack)[headerStackSize-2] == &AS_CLASS
&& (*headerStack)[headerStackSize-1] == &AS_OPEN_BRACKET
&& line[0] == '}')
--tabCount;
else if (!lineStartsInComment
&& isInSwitch
&& switchIndent
&& headerStackSize >= 2
&& (*headerStack)[headerStackSize-2] == &AS_SWITCH
&& (*headerStack)[headerStackSize-1] == &AS_OPEN_BRACKET
&& line[0] == '}')
--tabCount;
if (isInClassHeader)
{
isInClassHeaderTab = true;
tabCount += 2;
}
if (isInConditional)
{
--tabCount;
}
// parse characters in the current line.
for (i=0; i<line.length(); i++)
{
tempCh = line[i];
prevCh = ch;
ch = tempCh;
outBuffer.append(1, ch);
if (isWhiteSpace(ch))
continue;
// handle special characters (i.e. backslash+character such as \n, \t, ...)
if (isSpecialChar)
{
isSpecialChar = false;
continue;
}
if (!(isInComment || isInLineComment) && line.COMPARE(i, 2, string("\\\\")) == 0)
{
outBuffer.append(1, '\\');
i++;
continue;
}
if (!(isInComment || isInLineComment) && ch=='\\')
{
isSpecialChar = true;
continue;
}
// handle quotes (such as 'x' and "Hello Dolly")
if (!(isInComment || isInLineComment) && (ch=='"' || ch=='\''))
if (!isInQuote)
{
quoteChar = ch;
isInQuote = true;
}
else if (quoteChar == ch)
{
isInQuote = false;
isInStatement = true;
continue;
}
if (isInQuote)
continue;
// handle comments
if ( !(isInComment || isInLineComment) && line.COMPARE(i, 2, AS_OPEN_LINE_COMMENT) == 0 )
{
isInLineComment = true;
outBuffer.append(1, '/');
i++;
continue;
}
else if ( !(isInComment || isInLineComment) && line.COMPARE(i, 2, AS_OPEN_COMMENT) == 0 )
{
isInComment = true;
outBuffer.append(1, '*');
i++;
continue;
}
else if ( (isInComment || isInLineComment) && line.COMPARE(i, 2, AS_CLOSE_COMMENT) == 0 )
{
isInComment = false;
outBuffer.append(1, '/');
i++;
continue;
}
if (isInComment||isInLineComment)
continue;
// if we have reached this far then we are NOT in a comment or string of special character...
if (probationHeader != NULL)
{
if ( ((probationHeader == &AS_STATIC || probationHeader == &AS_CONST) && ch == '{')
|| (probationHeader == &AS_SYNCHRONIZED && ch == '('))
{
// insert the probation header as a new header
isInHeader = true;
headerStack->push_back(probationHeader);
// handle the specific probation header
isInConditional = (probationHeader == &AS_SYNCHRONIZED);
if (probationHeader == &AS_CONST)
isImmediatelyAfterConst = true;
// isInConst = true;
/* TODO:
* There is actually no more need for the global isInConst variable.
* The only reason for checking const is to see if there is a const
* immediately before an open-bracket.
* Since CONST is now put into probation and is checked during itspost-char,
* isImmediatelyAfterConst can be set by its own...
*/
isInStatement = false;
// if the probation comes from the previous line, then indent by 1 tab count.
if (previousLineProbation && ch == '{')
tabCount++;
previousLineProbation = false;
}
// dismiss the probation header
probationHeader = NULL;
}
prevNonSpaceCh = currentNonSpaceCh;
currentNonSpaceCh = ch;
if (!isLegalNameChar(ch) && ch != ',' && ch != ';' )
{
prevNonLegalCh = currentNonLegalCh;
currentNonLegalCh = ch;
}
//if (isInConst)
//{
// isInConst = false;
// isImmediatelyAfterConst = true;
//}
if (isInHeader)
{
isInHeader = false;
currentHeader = headerStack->back();
}
else
currentHeader = NULL;
if (isCStyle && isInTemplate
&& (ch == '<' || ch == '>')
&& findHeader(line, i, nonAssignmentOperators) == NULL) //;
{
if (ch == '<')
{
++templateDepth;
}
else if (ch == '>')
{
if (--templateDepth <= 0)
{
if (isInTemplate)
ch = ';';
else
ch = 't';
isInTemplate = false;
templateDepth = 0;
}
}
}
// handle parenthesies
if (ch == '(' || ch == '[' || ch == ')' || ch == ']')
{
if (ch == '(' || ch == '[')
{
if (parenDepth == 0)
{
parenStatementStack->push_back(isInStatement);
isInStatement = true;
}
parenDepth++;
inStatementIndentStackSizeStack->push_back(inStatementIndentStack->size());
if (currentHeader != NULL)
registerInStatementIndent(line, i, spaceTabCount, minConditionalIndent/*indentLength*2*/, true);
else
registerInStatementIndent(line, i, spaceTabCount, 0, true);
}
else if (ch == ')' || ch == ']')
{
parenDepth--;
if (parenDepth == 0)
{
isInStatement = parenStatementStack->back();
parenStatementStack->pop_back();
ch = ' ';
isInConditional = false;
}
if (!inStatementIndentStackSizeStack->empty())
{
unsigned int previousIndentStackSize = inStatementIndentStackSizeStack->back();
inStatementIndentStackSizeStack->pop_back();
while (previousIndentStackSize < inStatementIndentStack->size())
inStatementIndentStack->pop_back();
if (!parenIndentStack->empty())
{
int poppedIndent = parenIndentStack->back();
parenIndentStack->pop_back();
if (i == 0)
spaceTabCount = poppedIndent;
}
}
}
continue;
}
if (ch == '{')
{
bool isBlockOpener = false;
// first, check if '{' is a block-opener or an static-array opener
isBlockOpener = ( (prevNonSpaceCh == '{' && bracketBlockStateStack->back())
|| prevNonSpaceCh == '}'
|| prevNonSpaceCh == ')'
|| prevNonSpaceCh == ';'
|| isInClassHeader
|| isBlockOpener
|| isImmediatelyAfterConst
|| (isInDefine &&
(prevNonSpaceCh == '('
|| prevNonSpaceCh == '_'
|| isalnum(prevNonSpaceCh))) );
isInClassHeader = false;
if (!isBlockOpener && currentHeader != NULL)
{
for (unsigned int n=0; n < nonParenHeaders.size(); n++)
if (currentHeader == nonParenHeaders[n])
{
isBlockOpener = true;
break;
}
}
bracketBlockStateStack->push_back(isBlockOpener);
if (!isBlockOpener)
{
inStatementIndentStackSizeStack->push_back(inStatementIndentStack->size());
registerInStatementIndent(line, i, spaceTabCount, 0, true);
parenDepth++;
if (i == 0)
shouldIndentBrackettedLine = false;
continue;
}
// this bracket is a block opener...
++lineOpeningBlocksNum;
if (isInClassHeader)
isInClassHeader = false;
if (isInClassHeaderTab)
{
isInClassHeaderTab = false;
tabCount -= 2;
}
blockParenDepthStack->push_back(parenDepth);
blockStatementStack->push_back(isInStatement);
inStatementIndentStackSizeStack->push_back(inStatementIndentStack->size());
blockTabCount += isInStatement? 1 : 0;
parenDepth = 0;
isInStatement = false;
tempStacks->push_back(new vector<const string*>);
headerStack->push_back(&AS_OPEN_BRACKET);
lastLineHeader = &AS_OPEN_BRACKET; // <------
continue;
}
//check if a header has been reached
if (prevCh == ' ')
{
bool isIndentableHeader = true;
const string *newHeader = findHeader(line, i, headers);
if (newHeader != NULL)
{
// if we reached here, then this is a header...
isInHeader = true;
vector<const string*> *lastTempStack;
if (tempStacks->empty())
lastTempStack = NULL;
else
lastTempStack = tempStacks->back();
// if a new block is opened, push a new stack into tempStacks to hold the
// future list of headers in the new block.
// take care of the special case: 'else if (...)'
if (newHeader == &AS_IF && lastLineHeader == &AS_ELSE)
{
//spaceTabCount += indentLength; // to counter the opposite addition that occurs when the 'if' is registered below...
headerStack->pop_back();
}
// take care of 'else'
else if (newHeader == &AS_ELSE)
{
if (lastTempStack != NULL)
{
int indexOfIf = indexOf(*lastTempStack, &AS_IF); // <---
if (indexOfIf != -1)
{
// recreate the header list in headerStack up to the previous 'if'
// from the temporary snapshot stored in lastTempStack.
int restackSize = lastTempStack->size() - indexOfIf - 1;
for (int r=0; r<restackSize; r++)
{
headerStack->push_back(lastTempStack->back());
lastTempStack->pop_back();
}
if (!closingBracketReached)
tabCount += restackSize;
}
/*
* If the above if is not true, i.e. no 'if' before the 'else',
* then nothing beautiful will come out of this...
* I should think about inserting an Exception here to notify the caller of this...
*/
}
}
// check if 'while' closes a previous 'do'
else if (newHeader == &AS_WHILE)
{
if (lastTempStack != NULL)
{
int indexOfDo = indexOf(*lastTempStack, &AS_DO); // <---
if (indexOfDo != -1)
{
// recreate the header list in headerStack up to the previous 'do'
// from the temporary snapshot stored in lastTempStack.
int restackSize = lastTempStack->size() - indexOfDo - 1;
for (int r=0; r<restackSize; r++)
{
headerStack->push_back(lastTempStack->back());
lastTempStack->pop_back();
}
if (!closingBracketReached)
tabCount += restackSize;
}
}
}
// check if 'catch' closes a previous 'try' or 'catch'
else if (newHeader == &AS_CATCH || newHeader == &AS_FINALLY)
{
if (lastTempStack != NULL)
{
int indexOfTry = indexOf(*lastTempStack, &AS_TRY);
if (indexOfTry == -1)
indexOfTry = indexOf(*lastTempStack, &AS_CATCH);
if (indexOfTry != -1)
{
// recreate the header list in headerStack up to the previous 'try'
// from the temporary snapshot stored in lastTempStack.
int restackSize = lastTempStack->size() - indexOfTry - 1;
for (int r=0; r<restackSize; r++)
{
headerStack->push_back(lastTempStack->back());
lastTempStack->pop_back();
}
if (!closingBracketReached)
tabCount += restackSize;
}
}
}
else if (newHeader == &AS_CASE)
{
isInCase = true;
if (!caseIndent)
--tabCount;
}
else if(newHeader == &AS_DEFAULT)
{
isInCase = true;
if (!caseIndent)
--tabCount;
}
else if (newHeader == &AS_PUBLIC || newHeader == &AS_PROTECTED || newHeader == &AS_PRIVATE)
{
if (isCStyle && !isInClassHeader)
--tabCount;
isIndentableHeader = false;
}
//else if ((newHeader == &STATIC || newHeader == &SYNCHRONIZED) &&
// !headerStack->empty() &&
// (headerStack->back() == &STATIC || headerStack->back() == &SYNCHRONIZED))
//{
// isIndentableHeader = false;
//}
else if (newHeader == &AS_STATIC
|| newHeader == &AS_SYNCHRONIZED
|| (newHeader == &AS_CONST && isCStyle))
{
if (!headerStack->empty() &&
(headerStack->back() == &AS_STATIC
|| headerStack->back() == &AS_SYNCHRONIZED
|| headerStack->back() == &AS_CONST))
{
isIndentableHeader = false;
}
else
{
isIndentableHeader = false;
probationHeader = newHeader;
}
}
else if (newHeader == &AS_CONST)
{
// this will be entered only if NOT in C style
// since otherwise the CONST would be found to be a probstion header...
//if (isCStyle)
// isInConst = true;
isIndentableHeader = false;
}
/*
else if (newHeader == &OPERATOR)
{
if (isCStyle)
isInOperator = true;
isIndentableHeader = false;
}
*/
else if (newHeader == &AS_TEMPLATE)
{
if (isCStyle)
isInTemplate = true;
isIndentableHeader = false;
}
if (isIndentableHeader)
{
// 3.2.99
//spaceTabCount-=indentLength;
headerStack->push_back(newHeader);
isInStatement = false;
if (indexOf(nonParenHeaders, newHeader) == -1)
{
isInConditional = true;
}
lastLineHeader = newHeader;
}
else
isInHeader = false;
//lastLineHeader = newHeader;
outBuffer.append(newHeader->substr(1));
i += newHeader->length() - 1;
continue;
}
}
if (isCStyle && !isalpha(prevCh)
&& line.COMPARE(i, 8, AS_OPERATOR) == 0 && !isalnum(line[i+8]))
{
isInOperator = true;
outBuffer.append(AS_OPERATOR.substr(1));
i += 7;
continue;
}
if (ch == '?')
isInQuestion = true;
// special handling of 'case' statements
if (ch == ':')
{
if (line.length() > i+1 && line[i+1] == ':') // look for ::
{
++i;
outBuffer.append(1, ':');
ch = ' ';
continue;
}
else if (isCStyle && isInClass && prevNonSpaceCh != ')')
{
// BEGIN Content of ASBeautifier.cpp.BITFIELD.patch:
unsigned int chIndex;
char nextCh = 0;
for (chIndex = i+1; chIndex < line.length(); chIndex++)
if (!isWhiteSpace(line[chIndex]))
break;
if (chIndex< line.length())
nextCh = line[chIndex];
int nWord =0;
for (chIndex = 0; chIndex < i; chIndex++)
{
if (!isWhiteSpace(line[chIndex]))
{
nWord ++;
while (!isWhiteSpace(line[++chIndex]));
}
}
if ((nextCh >= '0' && nextCh <= '9') || (nWord >1))
continue;
// END Content of ASBeautifier.cpp.BITFIELD.patch:
--tabCount;
// found a 'private:' or 'public:' inside a class definition
// so do nothing special
}
else if (isCStyle && isInClassHeader)
{
// found a 'class A : public B' definition
// so do nothing special
}
else if (isInQuestion)
{
isInQuestion = false;
}
else if (isCStyle && prevNonSpaceCh == ')')
{
isInClassHeader = true;
if (i==0)
tabCount += 2;
}
else
{
currentNonSpaceCh = ';'; // so that brackets after the ':' will appear as block-openers
if (isInCase)
{
isInCase = false;
ch = ';'; // from here on, treat char as ';'
}
// BEGIN content of ASBeautifier.cpp.BITFIELD.patch.bz2
else // bitfield or labels
{
unsigned int chIndex;
char nextCh = 0;
for (chIndex = i+1; (isCStyle && chIndex < line.length()); chIndex++)
if (!isWhiteSpace(line[chIndex]))
break;
if (chIndex< line.length())
nextCh = line[chIndex];
int nWord =0;
for (chIndex = 0; chIndex < i; chIndex++)
{
if (!isWhiteSpace(line[chIndex]))
{
nWord ++;
while (!isWhiteSpace(line[++chIndex]));
}
}
if (isCStyle && (nextCh >= '0' && nextCh <= '9') || (nWord >1))
{
continue;
}
// END content of ASASBeautifier.cpp.BITFIELD.patch.bz2
else // is in a label (e.g. 'label1:')
{
if (labelIndent)
--tabCount; // unindent label by one indent
else
tabCount = 0; // completely flush indent to left
}
// BEGIN content of ASASBeautifier.cpp.BITFIELD.patch.bz2
}
// END content of ASASBeautifier.cpp.BITFIELD.patch.bz2
}
}
if ((ch == ';' || (parenDepth>0 && ch == ',')) && !inStatementIndentStackSizeStack->empty())
while ((unsigned int)inStatementIndentStackSizeStack->back() + (parenDepth>0 ? 1 : 0) < inStatementIndentStack->size())
inStatementIndentStack->pop_back();
// handle ends of statements
if ( (ch == ';' && parenDepth == 0) || ch == '}'/* || (ch == ',' && parenDepth == 0)*/)
{
if (ch == '}')
{
// first check if this '}' closes a previous block, or a static array...
if (!bracketBlockStateStack->empty())
{
bool bracketBlockState = bracketBlockStateStack->back();
bracketBlockStateStack->pop_back();
if (!bracketBlockState)
{
if (!inStatementIndentStackSizeStack->empty())
{
// this bracket is a static array
unsigned int previousIndentStackSize = inStatementIndentStackSizeStack->back();
inStatementIndentStackSizeStack->pop_back();
while (previousIndentStackSize < inStatementIndentStack->size())
inStatementIndentStack->pop_back();
parenDepth--;
if (i == 0)
shouldIndentBrackettedLine = false;
if (!parenIndentStack->empty())
{
int poppedIndent = parenI
