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ASResource.cpp

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *
 *   Copyright (C) 2006-2009 by Jim Pattee <jimp03@email.com>
 *   Copyright (C) 1998-2002 by Tal Davidson
 *   <http://www.gnu.org/licenses/lgpl-3.0.html>
 *
 *   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>
 *
 *   Artistic Style 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 3 of the License, or
 *   (at your option) any later version.
 *
 *   Artistic Style 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.  See the
 *   GNU Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with Artistic Style.  If not, see <http://www.gnu.org/licenses/>.
 *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 */

#include "astyle.h"
#include <algorithm>


namespace astyle
{
const string ASResource::AS_IF = string("if");
const string ASResource::AS_ELSE = string("else");
const string ASResource::AS_FOR = string("for");
const string ASResource::AS_DO = string("do");
const string ASResource::AS_WHILE = string("while");
const string ASResource::AS_SWITCH = string("switch");
const string ASResource::AS_CASE = string("case");
const string ASResource::AS_DEFAULT = string("default");
const string ASResource::AS_CLASS = string("class");
const string ASResource::AS_STRUCT = string("struct");
const string ASResource::AS_UNION = string("union");
const string ASResource::AS_INTERFACE = string("interface");
const string ASResource::AS_NAMESPACE = string("namespace");
const string ASResource::AS_EXTERN = string("extern");
const string ASResource::AS_ENUM = string("enum");
const string ASResource::AS_PUBLIC = string("public");
const string ASResource::AS_PROTECTED = string("protected");
const string ASResource::AS_PRIVATE = string("private");
const string ASResource::AS_STATIC = string("static");
const string ASResource::AS_SYNCHRONIZED = string("synchronized");
const string ASResource::AS_OPERATOR = string("operator");
const string ASResource::AS_TEMPLATE = string("template");
const string ASResource::AS_TRY = string("try");
const string ASResource::AS_CATCH = string("catch");
const string ASResource::AS_FINALLY = string("finally");
const string ASResource::AS_THROWS = string("throws");
const string ASResource::AS_CONST = string("const");
const string ASResource::AS_WHERE = string("where");
const string ASResource::AS_NEW = string("new");

const string ASResource::AS_ASM = string("asm");

const string ASResource::AS_BAR_DEFINE = string("#define");
const string ASResource::AS_BAR_INCLUDE = string("#include");
const string ASResource::AS_BAR_IF = string("#if");
const string ASResource::AS_BAR_EL = string("#el");
const string ASResource::AS_BAR_ENDIF = string("#endif");

const string ASResource::AS_OPEN_BRACKET = string("{");
const string ASResource::AS_CLOSE_BRACKET = string("}");
const string ASResource::AS_OPEN_LINE_COMMENT = string("//");
const string ASResource::AS_OPEN_COMMENT = string("/*");
const string ASResource::AS_CLOSE_COMMENT = string("*/");

const string ASResource::AS_ASSIGN = string("=");
const string ASResource::AS_PLUS_ASSIGN = string("+=");
const string ASResource::AS_MINUS_ASSIGN = string("-=");
const string ASResource::AS_MULT_ASSIGN = string("*=");
const string ASResource::AS_DIV_ASSIGN = string("/=");
const string ASResource::AS_MOD_ASSIGN = string("%=");
const string ASResource::AS_OR_ASSIGN = string("|=");
const string ASResource::AS_AND_ASSIGN = string("&=");
const string ASResource::AS_XOR_ASSIGN = string("^=");
const string ASResource::AS_GR_GR_ASSIGN = string(">>=");
const string ASResource::AS_LS_LS_ASSIGN = string("<<=");
const string ASResource::AS_GR_GR_GR_ASSIGN = string(">>>=");
const string ASResource::AS_LS_LS_LS_ASSIGN = string("<<<=");
const string ASResource::AS_GCC_MIN_ASSIGN = string("<?");
const string ASResource::AS_GCC_MAX_ASSIGN = string(">?");

const string ASResource::AS_RETURN = string("return");
const string ASResource::AS_CIN = string("cin");
const string ASResource::AS_COUT = string("cout");
const string ASResource::AS_CERR = string("cerr");

const string ASResource::AS_EQUAL = string("==");
const string ASResource::AS_PLUS_PLUS = string("++");
const string ASResource::AS_MINUS_MINUS = string("--");
const string ASResource::AS_NOT_EQUAL = string("!=");
const string ASResource::AS_GR_EQUAL = string(">=");
const string ASResource::AS_GR_GR = string(">>");
const string ASResource::AS_GR_GR_GR = string(">>>");
const string ASResource::AS_LS_EQUAL = string("<=");
const string ASResource::AS_LS_LS = string("<<");
const string ASResource::AS_LS_LS_LS = string("<<<");
const string ASResource::AS_QUESTION_QUESTION = string("??");
const string ASResource::AS_EQUAL_GR = string("=>");            // C# lambda expression arrow
const string ASResource::AS_ARROW = string("->");
const string ASResource::AS_AND = string("&&");
const string ASResource::AS_OR = string("||");
const string ASResource::AS_COLON_COLON = string("::");
const string ASResource::AS_PAREN_PAREN = string("()");
const string ASResource::AS_BLPAREN_BLPAREN = string("[]");

const string ASResource::AS_PLUS = string("+");
const string ASResource::AS_MINUS = string("-");
const string ASResource::AS_MULT = string("*");
const string ASResource::AS_DIV = string("/");
const string ASResource::AS_MOD = string("%");
const string ASResource::AS_GR = string(">");
const string ASResource::AS_LS = string("<");
const string ASResource::AS_NOT = string("!");
const string ASResource::AS_BIT_OR = string("|");
const string ASResource::AS_BIT_AND = string("&");
const string ASResource::AS_BIT_NOT = string("~");
const string ASResource::AS_BIT_XOR = string("^");
const string ASResource::AS_QUESTION = string("?");
const string ASResource::AS_COLON = string(":");
const string ASResource::AS_COMMA = string(",");
const string ASResource::AS_SEMICOLON = string(";");

const string ASResource::AS_FOREACH = string("foreach");
const string ASResource::AS_LOCK = string("lock");
const string ASResource::AS_UNSAFE = string("unsafe");
const string ASResource::AS_FIXED = string("fixed");
const string ASResource::AS_GET = string("get");
const string ASResource::AS_SET = string("set");
const string ASResource::AS_ADD = string("add");
const string ASResource::AS_REMOVE = string("remove");
const string ASResource::AS_DELEGATE = string("delegate");
const string ASResource::AS_UNCHECKED = string("unchecked");

const string ASResource::AS_CONST_CAST = string("const_cast");
const string ASResource::AS_DYNAMIC_CAST = string("dynamic_cast");
const string ASResource::AS_REINTERPRET_CAST = string("reinterpret_cast");
const string ASResource::AS_STATIC_CAST = string("static_cast");


/**
 * Sort comparison function.
 * Compares the length of the value of pointers in the vectors.
 * The LONGEST strings will be first in the vector.
 *
 * @params the string pointers to be compared.
 */
bool sortOnLength(const string *a, const string *b)
{
      return (*a).length() > (*b).length();
}

/**
 * Sort comparison function.
 * Compares the value of pointers in the vectors.
 *
 * @params the string pointers to be compared.
 */
bool sortOnName(const string *a, const string *b)
{
      return *a < *b;
}

/**
 * Build the vector of assignment operators.
 * Used by BOTH ASFormatter.cpp and ASBeautifier.cpp
 *
 * @param assignmentOperators   a reference to the vector to be built.
 */
00180 void ASResource::buildAssignmentOperators(vector<const string*> &assignmentOperators)
{
      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);

      // Java
      assignmentOperators.push_back(&AS_GR_GR_GR_ASSIGN);
      assignmentOperators.push_back(&AS_GR_GR_ASSIGN);
      assignmentOperators.push_back(&AS_LS_LS_ASSIGN);

      // Unknown
      assignmentOperators.push_back(&AS_LS_LS_LS_ASSIGN);

      sort(assignmentOperators.begin(), assignmentOperators.end(), sortOnLength);
}

/**
 * Build the vector of C++ cast operators.
 * Used by ONLY ASFormatter.cpp
 *
 * @param castOperators     a reference to the vector to be built.
 */
00209 void ASResource::buildCastOperators(vector<const string*> &castOperators)
{
      castOperators.push_back(&AS_CONST_CAST);
      castOperators.push_back(&AS_DYNAMIC_CAST);
      castOperators.push_back(&AS_REINTERPRET_CAST);
      castOperators.push_back(&AS_STATIC_CAST);
}

/**
 * Build the vector of header words.
 * Used by BOTH ASFormatter.cpp and ASBeautifier.cpp
 *
 * @param headers       a reference to the vector to be built.
 */
00223 void ASResource::buildHeaders(vector<const string*> &headers, int fileType, bool beautifier)
{
      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_SWITCH);
      headers.push_back(&AS_TRY);
      headers.push_back(&AS_CATCH);

      if (fileType == JAVA_TYPE)
      {
            headers.push_back(&AS_FINALLY);
            headers.push_back(&AS_SYNCHRONIZED);
      }

      if (fileType == SHARP_TYPE)
      {
            headers.push_back(&AS_FINALLY);
            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);
      }

      if (beautifier)
      {
            headers.push_back(&AS_CASE);
            headers.push_back(&AS_DEFAULT);

            if (fileType == C_TYPE)
            {
                  headers.push_back(&AS_CONST);
                  headers.push_back(&AS_TEMPLATE);
            }

            if (fileType == JAVA_TYPE)
            {
                  headers.push_back(&AS_STATIC);         // for static constructor
            }
      }
      sort(headers.begin(), headers.end(), sortOnName);
}

/**
 * Build the vector of indentable headers.
 * Used by ONLY ASBeautifier.cpp
 *
 * @param indentableHeaders     a reference to the vector to be built.
 */
00278 void ASResource::buildIndentableHeaders(vector<const string*> &indentableHeaders)
{
      indentableHeaders.push_back(&AS_RETURN);
      indentableHeaders.push_back(&AS_COUT);
      indentableHeaders.push_back(&AS_CERR);
      indentableHeaders.push_back(&AS_CIN);

      sort(indentableHeaders.begin(), indentableHeaders.end(), sortOnName);
}

/**
 * Build the vector of non-assignment operators.
 * Used by ONLY ASBeautifier.cpp
 *
 * @param nonAssignmentOperators       a reference to the vector to be built.
 */
00294 void ASResource::buildNonAssignmentOperators(vector<const string*> &nonAssignmentOperators)
{
      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);

      sort(nonAssignmentOperators.begin(), nonAssignmentOperators.end(), sortOnLength);
}

/**
 * Build the vector of header non-paren headers.
 * Used by BOTH ASFormatter.cpp and ASBeautifier.cpp
 *
 * @param nonParenHeaders       a reference to the vector to be built.
 */
00319 void ASResource::buildNonParenHeaders(vector<const string*> &nonParenHeaders, int fileType, bool beautifier)
{
      nonParenHeaders.push_back(&AS_ELSE);
      nonParenHeaders.push_back(&AS_DO);
      nonParenHeaders.push_back(&AS_TRY);

      if (fileType == JAVA_TYPE)
      {
            nonParenHeaders.push_back(&AS_FINALLY);
      }

      if (fileType == SHARP_TYPE)
      {
            nonParenHeaders.push_back(&AS_CATCH);       // can be a paren or non-paren header
            nonParenHeaders.push_back(&AS_FINALLY);
//      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);
      }

      if (beautifier)
      {
            nonParenHeaders.push_back(&AS_CASE);
            nonParenHeaders.push_back(&AS_DEFAULT);
            if (fileType == C_TYPE)
            {
                  nonParenHeaders.push_back(&AS_CONST);
                  nonParenHeaders.push_back(&AS_TEMPLATE);
            }
            if (fileType == JAVA_TYPE)
            {
                  nonParenHeaders.push_back(&AS_STATIC);
            }
      }
      sort(nonParenHeaders.begin(), nonParenHeaders.end(), sortOnName);
}

/**
 * Build the vector of operators.
 * Used by ONLY ASFormatter.cpp
 *
 * @param operators             a reference to the vector to be built.
 */
00364 void ASResource::buildOperators(vector<const string*> &operators)
{
      operators.push_back(&AS_PLUS_ASSIGN);
      operators.push_back(&AS_MINUS_ASSIGN);
      operators.push_back(&AS_MULT_ASSIGN);
      operators.push_back(&AS_DIV_ASSIGN);
      operators.push_back(&AS_MOD_ASSIGN);
      operators.push_back(&AS_OR_ASSIGN);
      operators.push_back(&AS_AND_ASSIGN);
      operators.push_back(&AS_XOR_ASSIGN);
      operators.push_back(&AS_EQUAL);
      operators.push_back(&AS_PLUS_PLUS);
      operators.push_back(&AS_MINUS_MINUS);
      operators.push_back(&AS_NOT_EQUAL);
      operators.push_back(&AS_GR_EQUAL);
      operators.push_back(&AS_GR_GR_GR_ASSIGN);
      operators.push_back(&AS_GR_GR_ASSIGN);
      operators.push_back(&AS_GR_GR_GR);
      operators.push_back(&AS_GR_GR);
      operators.push_back(&AS_LS_EQUAL);
      operators.push_back(&AS_LS_LS_LS_ASSIGN);
      operators.push_back(&AS_LS_LS_ASSIGN);
      operators.push_back(&AS_LS_LS_LS);
      operators.push_back(&AS_LS_LS);
      operators.push_back(&AS_QUESTION_QUESTION);
      operators.push_back(&AS_EQUAL_GR);
      operators.push_back(&AS_GCC_MIN_ASSIGN);
      operators.push_back(&AS_GCC_MAX_ASSIGN);
      operators.push_back(&AS_ARROW);
      operators.push_back(&AS_AND);
      operators.push_back(&AS_OR);
      operators.push_back(&AS_COLON_COLON);
      operators.push_back(&AS_PLUS);
      operators.push_back(&AS_MINUS);
      operators.push_back(&AS_MULT);
      operators.push_back(&AS_DIV);
      operators.push_back(&AS_MOD);
      operators.push_back(&AS_QUESTION);
      operators.push_back(&AS_COLON);
      operators.push_back(&AS_ASSIGN);
      operators.push_back(&AS_LS);
      operators.push_back(&AS_GR);
      operators.push_back(&AS_NOT);
      operators.push_back(&AS_BIT_OR);
      operators.push_back(&AS_BIT_AND);
      operators.push_back(&AS_BIT_NOT);
      operators.push_back(&AS_BIT_XOR);

      sort(operators.begin(), operators.end(), sortOnLength);
}

/**
 * Build the vector of pre-block statements.
 * Used by ONLY ASBeautifier.cpp
 * NOTE: Cannot be both a header and a preBlockStatement.
 *
 * @param preBlockStatements        a reference to the vector to be built.
 */
00422 void ASResource::buildPreBlockStatements(vector<const string*> &preBlockStatements, int fileType)
{
      preBlockStatements.push_back(&AS_CLASS);
      if (fileType == C_TYPE)
      {
            preBlockStatements.push_back(&AS_STRUCT);
            preBlockStatements.push_back(&AS_UNION);
            preBlockStatements.push_back(&AS_NAMESPACE);
      }
      if (fileType == JAVA_TYPE)
      {
            preBlockStatements.push_back(&AS_INTERFACE);
            preBlockStatements.push_back(&AS_THROWS);
      }
      if (fileType == SHARP_TYPE)
      {
            preBlockStatements.push_back(&AS_INTERFACE);
            preBlockStatements.push_back(&AS_NAMESPACE);
            preBlockStatements.push_back(&AS_WHERE);
            preBlockStatements.push_back(&AS_STRUCT);
      }
      sort(preBlockStatements.begin(), preBlockStatements.end(), sortOnName);
}

/**
 * Build the vector of pre-command headers.
 * Used by ONLY ASFormatter.cpp
 *
 * @param preCommandHeaders     a reference to the vector to be built.
 */
00452 void ASResource::buildPreCommandHeaders(vector<const string*> &preCommandHeaders, int fileType)
{
      if (fileType == C_TYPE)
      {
            preCommandHeaders.push_back(&AS_CONST);
      }

      if (fileType == JAVA_TYPE)
      {
            preCommandHeaders.push_back(&AS_THROWS);
      }

      if (fileType == SHARP_TYPE)
      {
            preCommandHeaders.push_back(&AS_WHERE);
      }

      sort(preCommandHeaders.begin(), preCommandHeaders.end(), sortOnName);
}

/**
 * Build the vector of pre-definition headers.
 * Used by ONLY ASFormatter.cpp
 * NOTE: Do NOT add 'enum' here. It is an array type bracket.
 * NOTE: Do NOT add 'extern' here. Do not want an extra indent.
 *
 * @param preDefinitionHeaders      a reference to the vector to be built.
 */
00480 void ASResource::buildPreDefinitionHeaders(vector<const string*> &preDefinitionHeaders, int fileType)
{
      preDefinitionHeaders.push_back(&AS_CLASS);
      if (fileType == C_TYPE)
      {
            preDefinitionHeaders.push_back(&AS_STRUCT);
            preDefinitionHeaders.push_back(&AS_UNION);
            preDefinitionHeaders.push_back(&AS_NAMESPACE);
      }
      if (fileType == JAVA_TYPE)
      {
            preDefinitionHeaders.push_back(&AS_INTERFACE);
      }
      if (fileType == SHARP_TYPE)
      {
            preDefinitionHeaders.push_back(&AS_STRUCT);
            preDefinitionHeaders.push_back(&AS_INTERFACE);
            preDefinitionHeaders.push_back(&AS_NAMESPACE);
      }
      sort(preDefinitionHeaders.begin(), preDefinitionHeaders.end(), sortOnName);
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *                             ASBase Funtions
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

// check if a specific line position contains a keyword.
bool ASBase::findKeyword(const string &line, int i, const string &keyword) const
{
      assert(isCharPotentialHeader(line, i));
      // check the word
      const size_t keywordLength = keyword.length();
      const size_t wordEnd = i + keywordLength;
      if (wordEnd > line.length())
            return false;
      if (line.compare(i, keywordLength, keyword) != 0)
            return false;
      // check that this is not part of a longer word
      if (wordEnd == line.length())
            return true;
      if (isLegalNameChar(line[wordEnd]))
            return false;
      // is not a keyword if part of a definition
      const char peekChar = peekNextChar(line, wordEnd - 1);
      if (peekChar == ',' || peekChar == ')')
            return false;
      return true;
}

// get the current word on a line
// i must point to the beginning of the word
string ASBase::getCurrentWord(const string& line, size_t charNum) const
{
      assert(isCharPotentialHeader(line, charNum));
      size_t lineLength = line.length();
      size_t i;
      for (i = charNum; i < lineLength; i++)
      {
            if (!isLegalNameChar(line[i]))
                  break;
      }
      return line.substr(charNum, i - charNum);
}

}   // end namespace astyle

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