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  • Committer: Bazaar Package Importer
  • Author(s): William Grant
  • Date: 2007-05-06 13:42:32 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20070506134232-pyli6t388w5asd8x
Tags: 0.8.0-3ubuntu1
* Merge from Debian unstable. Remaining Ubuntu changes:
  - debian/rules, debian/qgis.install, debian/qgis.dirs debian/qgis.desktop:
    Add and install .desktop.
* debian/qgis.desktop: Remove Applications category; it's not real.
* Modify Maintainer value to match Debian-Maintainer-Field Spec

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src/core/qgssearchstringlexer.ll
 
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/***************************************************************************
 
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                          qgssearchstringparser.ll
 
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          Rules for lexical analysis of search strings done by Flex
 
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                          --------------------
 
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    begin                : 2005-07-26
 
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    copyright            : (C) 2005 by Martin Dobias
 
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    email                : won.der at centrum.sk
 
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***************************************************************************/
 
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/***************************************************************************
 
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 *                                                                         *
 
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 *   This program is free software; you can redistribute it and/or modify  *
 
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 *   it under the terms of the GNU General Public License as published by  *
 
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 *   the Free Software Foundation; either version 2 of the License, or     *
 
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 *   (at your option) any later version.                                   *
 
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 *                                                                         *
 
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 ***************************************************************************/
 
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 /* $Id: qgssearchstringlexer.ll 5939 2006-10-12 16:24:55Z wonder $ */
 
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%option noyywrap
 
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%option case-insensitive
 
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 // ensure that lexer will be 8-bit (and not just 7-bit)
 
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%option 8bit
 
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%{
 
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#include <stdlib.h>  // atof()
 
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#include "qgssearchtreenode.h"
 
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#include "qgssearchstringparser.h"
 
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%}
 
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white       [ \t\r\n]+
 
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non_ascii    [\x80-\xFF]
 
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col_first    [A-Za-z_]|{non_ascii}
 
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col_next     [A-Za-z0-9_]|{non_ascii}
 
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column_ref  {col_first}{col_next}*
 
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dig     [0-9]
 
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num1    {dig}+\.?([eE][-+]?{dig}+)?
 
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num2    {dig}*\.{dig}+([eE][-+]?{dig}+)?
 
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number  {num1}|{num2}
 
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str_char    ('')|(\\.)|[^'\\]
 
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string      "'"{str_char}*"'"
 
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%%
 
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"NOT"    { return NOT; }
 
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"AND"   { return AND;  }
 
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"OR"    { return OR; }
 
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"="   {  yylval.op = QgsSearchTreeNode::opEQ; return COMPARISON; }
 
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"!="  {  yylval.op = QgsSearchTreeNode::opNE; return COMPARISON; }
 
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"<="  {  yylval.op = QgsSearchTreeNode::opLE; return COMPARISON; }
 
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">="  {  yylval.op = QgsSearchTreeNode::opGE; return COMPARISON; }
 
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"<>"  {  yylval.op = QgsSearchTreeNode::opNE; return COMPARISON; }
 
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"<"   {  yylval.op = QgsSearchTreeNode::opLT; return COMPARISON; }
 
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">"   {  yylval.op = QgsSearchTreeNode::opGT; return COMPARISON; }
 
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"~"   {  yylval.op = QgsSearchTreeNode::opRegexp; return COMPARISON; }
 
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"LIKE" { yylval.op = QgsSearchTreeNode::opLike; return COMPARISON; }
 
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[+-/*]    { return yytext[0]; }
 
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[()]      { return yytext[0]; }
 
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{number}  { yylval.number  = atof(yytext); return NUMBER; }
 
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{string}  { return STRING; }
 
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{column_ref}   { return COLUMN_REF; }
 
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{white}    /* skip blanks and tabs */
 
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.       { return UNKNOWN_CHARACTER; }
 
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%%
 
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void set_input_buffer(const char* buffer)
 
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{
 
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  yy_scan_string(buffer);
 
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}
 
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