/**
* additional formatting for line of source code.
* every line of source code in a source code file should be sent
* one after the other to this function.
* indents event tables
* unindents the case blocks
*
* @param line the original formatted line will be updated if necessary.
*/
void ASEnhancer::enhance(string &line, bool isInPreprocessor, bool isInSQL)
{
shouldUnindentLine = true;
shouldUnindentComment = false;
lineNumber++;
// check for beginning of event table
if (nextLineIsEventIndent)
{
isInEventTable = true;
nextLineIsEventIndent = false;
}
// check for beginning of SQL declare section
if (nextLineIsDeclareIndent)
{
isInDeclareSection = true;
nextLineIsDeclareIndent = false;
}
if (line.length() == 0
&& ! isInEventTable
&& ! isInDeclareSection
&& ! emptyLineFill)
return;
// test for unindent on attached brackets
if (unindentNextLine)
{
sw.unindentDepth++;
sw.unindentCase = true;
unindentNextLine = false;
}
// parse characters in the current line
parseCurrentLine(line, isInPreprocessor, isInSQL);
if (isInEventTable || isInDeclareSection)
{
if (line.length() == 0 || line[0] != '#')
indentLine(line, 1);
}
if (shouldUnindentComment && sw.unindentDepth > 0)
unindentLine(line, sw.unindentDepth - 1);
else if (shouldUnindentLine && sw.unindentDepth > 0)
unindentLine(line, sw.unindentDepth);
}
/**
* process the character at the current index in a switch block.
*
* @param line a reference to the line to indent.
* @param index the current line index.
* @return the new line index.
*/
size_t ASEnhancer::processSwitchBlock(string& line, size_t index)
{
size_t i = index;
bool isPotentialKeyword = isCharPotentialHeader(line, i);
if (line[i] == '{')
{
sw.switchBracketCount++;
if (lookingForCaseBracket) // if 1st after case statement
{
sw.unindentCase = true; // unindenting this case
sw.unindentDepth++;
lookingForCaseBracket = false; // not looking now
}
return i;
}
lookingForCaseBracket = false; // no opening bracket, don't indent
if (line[i] == '}') // if close bracket
{
sw.switchBracketCount--;
assert(sw.switchBracketCount <= bracketCount);
if (sw.switchBracketCount == 0) // if end of switch statement
{
int lineUnindent = sw.unindentDepth;
if (line.find_first_not_of(" \t") == i
&& switchStack.size() > 0)
lineUnindent = switchStack[switchStack.size()-1].unindentDepth;
if (shouldIndentLine)
{
if (lineUnindent > 0)
i -= unindentLine(line, lineUnindent);
shouldIndentLine = false;
}
switchDepth--;
sw = switchStack.back();
switchStack.pop_back();
}
return i;
}
if (isPotentialKeyword
&& (findKeyword(line, i, "case") || findKeyword(line, i, "default")))
{
if (sw.unindentCase) // if unindented last case
{
sw.unindentCase = false; // stop unindenting previous case
sw.unindentDepth--;
}
i = findCaseColon(line, i);
i++;
for (; i < line.length(); i++) // bypass whitespace
{
if (!isWhiteSpace(line[i]))
break;
}
if (i < line.length())
{
if (line[i] == '{')
{
bracketCount++;
sw.switchBracketCount++;
if (!isOneLineBlockReached(line, i))
unindentNextLine = true;
return i;
}
}
lookingForCaseBracket = true;
i--; // need to process this char
return i;
}
if (isPotentialKeyword)
{
string name = getCurrentWord(line, i); // bypass the entire name
i += name.length() - 1;
}
return i;
}
/**
* additional formatting for line of source code.
* every line of source code in a source code file should be sent
* one after the other to this function.
* indents event tables
* unindents the case blocks
*
* @param line the original formatted line will be updated if necessary.
*/
void ASEnhancer::enhance(string& line, bool isInPreprocessor, bool isInSQL)
{
bool isSpecialChar = false; // is a backslash escape character
shouldIndentLine = true;
lineNumber++;
// check for beginning of event table
if (nextLineIsEventIndent)
{
isInEventTable = true;
nextLineIsEventIndent = false;
}
// check for beginning of SQL declare section
if (nextLineIsDeclareIndent)
{
isInDeclareSection = true;
nextLineIsDeclareIndent = false;
}
if (line.length() == 0
&& ! isInEventTable
&& ! isInDeclareSection
&& ! emptyLineFill)
return;
// test for unindent on attached brackets
if (unindentNextLine)
{
sw.unindentDepth++;
sw.unindentCase = true;
unindentNextLine = false;
}
// parse characters in the current line.
for (size_t i = 0; i < line.length(); i++)
{
char ch = line[i];
// bypass whitespace
if (isWhiteSpace(ch))
continue;
// handle special characters (i.e. backslash+character such as \n, \t, ...)
if (isSpecialChar)
{
isSpecialChar = false;
continue;
}
if (!(isInComment) && line.compare(i, 2, "\\\\") == 0)
{
i++;
continue;
}
if (!(isInComment) && ch == '\\')
{
isSpecialChar = true;
continue;
}
// handle quotes (such as 'x' and "Hello Dolly")
if (!isInComment && (ch == '"' || ch == '\''))
{
if (!isInQuote)
{
quoteChar = ch;
isInQuote = true;
}
else if (quoteChar == ch)
{
isInQuote = false;
continue;
}
}
if (isInQuote)
continue;
// handle comments
if (!(isInComment) && line.compare(i, 2, "//") == 0)
{
// check for windows line markers
if (line.compare(i + 2, 1, "\xf0") > 0)
lineNumber--;
break; // finished with the line
}
else if (!(isInComment) && line.compare(i, 2, "/*") == 0)
{
isInComment = true;
i++;
continue;
}
else if ((isInComment) && line.compare(i, 2, "*/") == 0)
{
isInComment = false;
i++;
continue;
}
if (isInComment)
continue;
// if we have reached this far then we are NOT in a comment or string of special characters
if (line[i] == '{')
bracketCount++;
if (line[i] == '}')
bracketCount--;
bool isPotentialKeyword = isCharPotentialHeader(line, i);
// ---------------- wxWidgets and MFC macros ----------------------------------
if (isPotentialKeyword)
{
if (findKeyword(line, i, "BEGIN_EVENT_TABLE")
|| findKeyword(line, i, "BEGIN_DISPATCH_MAP")
|| findKeyword(line, i, "BEGIN_EVENT_MAP")
|| findKeyword(line, i, "BEGIN_MESSAGE_MAP")
|| findKeyword(line, i, "BEGIN_PROPPAGEIDS"))
{
nextLineIsEventIndent = true;
break;
}
if (findKeyword(line, i, "END_EVENT_TABLE")
|| findKeyword(line, i, "END_DISPATCH_MAP")
|| findKeyword(line, i, "END_EVENT_MAP")
|| findKeyword(line, i, "END_MESSAGE_MAP")
|| findKeyword(line, i, "END_PROPPAGEIDS"))
{
isInEventTable = false;
break;
}
}
// ---------------- process SQL -----------------------------------------------
if (isInSQL)
{
if (isBeginDeclareSectionSQL(line, i))
nextLineIsDeclareIndent = true;
if (isEndDeclareSectionSQL(line, i))
isInDeclareSection = false;
break;
}
// ---------------- process switch statements ---------------------------------
if (isPotentialKeyword && findKeyword(line, i, "switch"))
{
switchDepth++;
switchStack.push_back(sw); // save current variables
sw.switchBracketCount = 0;
sw.unindentCase = false; // don't clear case until end of switch
i += 5; // bypass switch statement
continue;
}
// just want unindented switch statements from this point
if (caseIndent
|| switchDepth == 0
|| (isInPreprocessor && !preprocessorIndent))
{
// bypass the entire word
if (isPotentialKeyword)
{
string name = getCurrentWord(line, i);
i += name.length() - 1;
}
continue;
}
i = processSwitchBlock(line, i);
} // end of for loop * end of for loop * end of for loop * end of for loop
if (isInEventTable || isInDeclareSection)
{
if (line.length() == 0 || line[0] != '#')
indentLine(line, 1);
}
if (shouldIndentLine && sw.unindentDepth > 0)
unindentLine(line, sw.unindentDepth);
}
/**
* additional formatting for line of source code.
* every line of source code in a source code file should be sent
* one after the other to this function.
* indents event tables
* unindents the case blocks
*
* @param line the original formatted line will be updated if necessary.
*/
void ASEnhancer::enhance(string &line)
{
bool isSpecialChar = false;
size_t lineLength; // length of the line being parsed
lineNumber++;
lineLength = line.length();
// check for beginning of event table
if (nextLineIsEventTable)
{
isInEventTable = true;
nextLineIsEventTable = false;
}
if (lineLength == 0
&& ! isInEventTable
&& ! emptyLineFillX)
return;
// test for unindent on attached brackets
if (unindentNextLine)
{
sw.unindentDepth++;
sw.unindentCase = true;
unindentNextLine = false;
TRcase(" unindent case ", sw.unindentDepth);
}
// parse characters in the current line.
for (size_t i = 0; i < lineLength; i++)
{
char ch = line[i];
// bypass whitespace
if (isWhiteSpaceX(ch))
continue;
// handle special characters (i.e. backslash+character such as \n, \t, ...)
if (isSpecialChar)
{
isSpecialChar = false;
continue;
}
if (!(isInComment) && line.compare(i, 2, "\\\\") == 0)
{
i++;
continue;
}
if (!(isInComment) && ch == '\\')
{
isSpecialChar = true;
continue;
}
// handle quotes (such as 'x' and "Hello Dolly")
if (!(isInComment) && (ch == '"' || ch == '\''))
{
if (!isInQuote)
{
quoteChar = ch;
isInQuote = true;
}
else if (quoteChar == ch)
{
isInQuote = false;
continue;
}
}
if (isInQuote)
continue;
// handle comments
if (!(isInComment) && line.compare(i, 2, "//") == 0)
{
// check for windows line markers
if (line.compare(i + 2, 1, "\xf0") > 0)
lineNumber--;
break; // finished with the line
}
else if (!(isInComment) && line.compare(i, 2, "/*") == 0)
{
isInComment = true;
i++;
continue;
}
else if ((isInComment) && line.compare(i, 2, "*/") == 0)
{
isInComment = false;
i++;
continue;
}
if (isInComment)
continue;
// if we have reached this far then we are NOT in a comment or string of special characters
if (line[i] == '{') // if open bracket
bracketCount++;
if (line[i] == '}') // if close bracket
bracketCount--;
// ---------------- process event tables --------------------------------------
// check for event table begin
if (findKeyword(line, i, "BEGIN_EVENT_TABLE")
|| findKeyword(line, i, "BEGIN_MESSAGE_MAP"))
nextLineIsEventTable = true;
// check for event table end
if (findKeyword(line, i, "END_EVENT_TABLE")
|| findKeyword(line, i, "END_MESSAGE_MAP"))
isInEventTable = false;
// ---------------- process switch statements ---------------------------------
if (findKeyword(line, i, "switch")) // if switch statement
{
switchDepth++; // bump switch depth
TRswitch(" switch ", switchDepth);
swVector.push_back(sw); // save current variables
sw.switchBracketCount = 0;
sw.unindentCase = false; // don't clear case until end of switch
i += 5; // bypass switch statement
continue;
}
// just want switch statements from this point
if (caseIndentX || switchDepth == 0) // from here just want switch statements
continue; // get next char
if (line[i] == '{') // if open bracket
{
sw.switchBracketCount++;
if (lookingForCaseBracket) // if 1st after case statement
{
sw.unindentCase = true; // unindenting this case
sw.unindentDepth++; // bump depth
lookingForCaseBracket = false; // not looking now
TRcase(" unindent case ", sw.unindentDepth);
}
continue;
}
lookingForCaseBracket = false; // no opening bracket, don't indent
if (line[i] == '}') // if close bracket
{
sw.switchBracketCount--;
if (sw.switchBracketCount == 0) // if end of switch statement
{
TRswitch(" endsw ", switchDepth);
switchDepth--; // one less switch
sw = swVector.back(); // restore sw struct
swVector.pop_back(); // remove last entry from stack
}
continue;
}
// look for case or default header
if (findKeyword(line, i, "case") || findKeyword(line, i, "default"))
{
if (sw.unindentCase) // if unindented last case
{
sw.unindentCase = false; // stop unindenting previous case
sw.unindentDepth--; // reduce depth
}
bool isInQuote = false;
char quoteChar = ' ';
for (; i < lineLength; i++) // find colon
{
if (isInQuote)
{
if (line[i] == '\\')
{
i++; // bypass next char
continue;
}
else if (line[i] == quoteChar) // check ending quote
{
isInQuote = false;
quoteChar = ' ';
continue;
}
else
{
continue; // must close quote before continuing
}
}
if (line[i] == '\'' || line[i] == '\"') // check opening quote
{
isInQuote = true;
quoteChar = line[i];
continue;
}
if (line[i] == ':')
{
if ((i + 1 < lineLength) && (line[i + 1] == ':'))
i++; // bypass scope resolution operator
else
break; // found it
}
}
i++;
for (; i < lineLength; i++) // bypass whitespace
{
if (!(isWhiteSpaceX(line[i])))
break;
}
if (i < lineLength) // check for bracket
{
if (line[i] == '{') // if bracket found
{
sw.switchBracketCount++;
unindentNextLine = true; // start unindenting on next line
continue;
}
}
lookingForCaseBracket = true; // bracket must be on next line
i--; // need to check for comments
continue;
}
} // end of for loop
if (isInEventTable) // if need to indent
indentLine(line, 1); // do it
if (sw.unindentDepth > 0) // if need to unindent
unindentLine(line, sw.unindentDepth); // do it
}
