LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGDataParser.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is the Mozilla SVG project.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * IBM Corporation
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2006
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef __NS_SVGDATAPARSER_H__
      39                 : #define __NS_SVGDATAPARSER_H__
      40                 : 
      41                 : #include "nsError.h"
      42                 : 
      43                 : class nsAString;
      44                 : 
      45                 : //----------------------------------------------------------------------
      46                 : // helper macros
      47                 : #define ENSURE_MATCHED(exp) { nsresult rv = exp; if (NS_FAILED(rv)) return rv; }
      48                 : 
      49                 : ////////////////////////////////////////////////////////////////////////
      50                 : // nsSVGDataParser: a simple abstract class for parsing values
      51                 : // for path and transform values.
      52                 : // 
      53                 : class nsSVGDataParser
      54               0 : {
      55                 : public:
      56                 :   nsresult Parse(const nsAString &aValue);
      57                 : 
      58                 : protected:
      59                 :   const char* mInputPos;
      60                 :   
      61                 :   const char* mTokenPos;
      62                 :   enum { DIGIT, WSP, COMMA, POINT, SIGN, LEFT_PAREN, RIGHT_PAREN, OTHER, END } mTokenType;
      63                 :   char mTokenVal;
      64                 : 
      65                 :   // helpers
      66                 :   void GetNextToken();
      67                 :   void RewindTo(const char* aPos);
      68                 :   virtual nsresult Match()=0;
      69                 : 
      70                 :   nsresult MatchNonNegativeNumber(float* aX);
      71                 :   bool IsTokenNonNegativeNumberStarter();
      72                 :   
      73                 :   nsresult MatchNumber(float* x);
      74                 :   bool IsTokenNumberStarter();
      75                 :   
      76                 :   nsresult MatchCommaWsp();
      77                 :   bool IsTokenCommaWspStarter();
      78                 :   
      79                 :   nsresult MatchIntegerConst();
      80                 :   
      81                 :   nsresult MatchFloatingPointConst();
      82                 :   
      83                 :   nsresult MatchFractConst();
      84                 :   
      85                 :   nsresult MatchExponent();
      86                 :   bool IsTokenExponentStarter();
      87                 :   
      88                 :   nsresult MatchDigitSeq();
      89                 :   bool IsTokenDigitSeqStarter();
      90                 :   
      91                 :   nsresult MatchWsp();
      92                 :   bool IsTokenWspStarter();
      93                 : 
      94                 :   nsresult MatchLeftParen();
      95                 :   nsresult MatchRightParen();
      96                 : };
      97                 : 
      98                 : 
      99                 : #endif // __NS_SVGDATAPARSER_H__

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