src/plugins/litehtml_viewer/litehtml/css_length.cpp

   1 #include "html.h"
   2 #include "css_length.h"
   3
   4 void litehtml::css_length::fromString( const tstring& str, const tstring& predefs, int defValue )
   5 {
   6         // TODO: Make support for calc
   7         if(str.substr(0, 4) == _t("calc"))
   8         {
   9                 m_is_predefined = true;
  10                 m_predef                = 0;
  11                 return;
  12         }
  13
  14         int predef = value_index(str.c_str(), predefs.c_str(), -1);
  15         if(predef >= 0)
  16         {
  17                 m_is_predefined = true;
  18                 m_predef                = predef;
  19         } else
  20         {
  21                 m_is_predefined = false;
  22
  23                 tstring num;
  24                 tstring un;
  25                 bool is_unit = false;
  26                 for(tstring::const_iterator chr = str.begin(); chr != str.end(); chr++)
  27                 {
  28                         if(!is_unit)
  29                         {
  30                                 if(t_isdigit(*chr) || *chr == _t('.') || *chr == _t('+') || *chr == _t('-'))
  31                                 {
  32                                         num += *chr;
  33                                 } else
  34                                 {
  35                                         is_unit = true;
  36                                 }
  37                         }
  38                         if(is_unit)
  39                         {
  40                                 un += *chr;
  41                         }
  42                 }
  43                 if(!num.empty())
  44                 {
  45                         m_value = (float) t_strtod(num.c_str(), 0);
  46                         m_units = (css_units) value_index(un.c_str(), css_units_strings, css_units_none);
  47                 } else
  48                 {
  49                         // not a number so it is predefined
  50                         m_is_predefined = true;
  51                         m_predef = defValue;
  52                 }
  53         }
  54 }