diff options
| author | Graeme Geldenhuys <graeme@mastermaths.co.za> | 2012-02-27 19:53:35 +0200 |
|---|---|---|
| committer | Graeme Geldenhuys <graeme@mastermaths.co.za> | 2012-03-07 22:44:08 +0200 |
| commit | b50c7fe536960a49349475f5c361044b097f24dc (patch) | |
| tree | eb74f0624ebaca3b6ee64a08b3edb63883eb06c2 /src/corelib/render/software/svg/agg_svg_parser.pas | |
| parent | a955b0e4833ba419478be83523fe433d645cd789 (diff) | |
| download | fpGUI-b50c7fe536960a49349475f5c361044b097f24dc.tar.xz | |
initial import of AggPas 2.4 RM3
The AggPas demos will not compile at this time, because I have restructured
the directories a bit. I wanted a pristine checkin though. The demos will be
fixed in the next few commits.
Diffstat (limited to 'src/corelib/render/software/svg/agg_svg_parser.pas')
| -rw-r--r-- | src/corelib/render/software/svg/agg_svg_parser.pas | 1386 |
1 files changed, 1386 insertions, 0 deletions
diff --git a/src/corelib/render/software/svg/agg_svg_parser.pas b/src/corelib/render/software/svg/agg_svg_parser.pas new file mode 100644 index 00000000..a2ec372a --- /dev/null +++ b/src/corelib/render/software/svg/agg_svg_parser.pas @@ -0,0 +1,1386 @@ +//----------------------------------------------------------------------------
+// Anti-Grain Geometry - Version 2.4 (Public License)
+// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
+//
+// Anti-Grain Geometry - Version 2.4 Release Milano 3 (AggPas 2.4 RM3)
+// Pascal Port By: Milan Marusinec alias Milano
+// milan@marusinec.sk
+// http://www.aggpas.org
+// Copyright (c) 2005-2006
+//
+// Permission to copy, use, modify, sell and distribute this software
+// is granted provided this copyright notice appears in all copies.
+// This software is provided "as is" without express or implied
+// warranty, and with no claim as to its suitability for any purpose.
+//
+//----------------------------------------------------------------------------
+// Contact: mcseem@antigrain.com
+// mcseemagg@yahoo.com
+// http://www.antigrain.com
+//
+// [Pascal Port History] -----------------------------------------------------
+//
+// 03.01.2007-Milano: Adjustments for ExpatWrap (Win,Linux & Mac)
+// 23.06.2006-Milano: ptrcomp adjustments
+// 24.04.2006-Milano: Unit port establishment
+//
+{ agg_svg_parser.pas }
+unit
+ agg_svg_parser ;
+
+INTERFACE
+
+{$DEFINE EXPAT_WRAPPER }
+{$I agg_mode.inc }
+
+uses
+ SysUtils ,
+ agg_basics ,
+ agg_color ,
+ agg_svg_path_tokenizer ,
+ agg_svg_path_renderer ,
+ agg_svg_exception ,
+ agg_trans_affine ,
+ agg_math_stroke ,
+ expat ,
+ file_utils_ ;
+
+{ TYPES DEFINITION }
+const
+ buf_size = 512;
+
+type
+ parser_ptr = ^parser;
+ parser = object
+ m_path : path_renderer_ptr;
+ m_tokenizer : path_tokenizer;
+
+ m_buf ,
+ m_title : char_ptr;
+
+ m_title_len : unsigned;
+ m_title_flag ,
+ m_path_flag : boolean;
+ m_attr_name ,
+ m_attr_value : char_ptr;
+
+ m_attr_name_len ,
+ m_attr_name_aloc ,
+ m_attr_value_len ,
+ m_attr_value_aloc : unsigned;
+
+ constructor Construct(path : path_renderer_ptr );
+ destructor Destruct;
+
+ procedure parse(fname : shortstring );
+ function title : char_ptr;
+
+ // XML event handlers
+ procedure parse_attr (attr : char_ptr_ptr ); overload;
+ procedure parse_path (attr : char_ptr_ptr );
+ procedure parse_poly (attr : char_ptr_ptr; close_flag : boolean );
+ procedure parse_rect (attr : char_ptr_ptr );
+ procedure parse_line (attr : char_ptr_ptr );
+ procedure parse_style (str : agg_basics.char_ptr );
+ procedure parse_transform(str : agg_basics.char_ptr );
+
+ function parse_matrix (str : agg_basics.char_ptr ) : unsigned;
+ function parse_translate(str : agg_basics.char_ptr ) : unsigned;
+ function parse_rotate (str : agg_basics.char_ptr ) : unsigned;
+ function parse_scale (str : agg_basics.char_ptr ) : unsigned;
+ function parse_skew_x (str : agg_basics.char_ptr ) : unsigned;
+ function parse_skew_y (str : agg_basics.char_ptr ) : unsigned;
+
+ function parse_attr (name ,value : agg_basics.char_ptr ) : boolean; overload;
+ function parse_name_value(nv_start ,nv_end : agg_basics.char_ptr ) : boolean;
+
+ procedure copy_name (start ,end_ : agg_basics.char_ptr );
+ procedure copy_value(start ,end_ : agg_basics.char_ptr );
+
+ end;
+
+{ GLOBAL PROCEDURES }
+ procedure start_element(data : pointer; el : char_ptr; attr : char_ptr_ptr ); {$IFDEF EXPAT_WRAPPER }cdecl; {$ENDIF }
+ procedure end_element (data : pointer; el : char_ptr ); {$IFDEF EXPAT_WRAPPER }cdecl; {$ENDIF }
+ procedure content (data : pointer; s : char_ptr; len : int ); {$IFDEF EXPAT_WRAPPER }cdecl; {$ENDIF }
+
+
+IMPLEMENTATION
+{ LOCAL VARIABLES & CONSTANTS }
+type
+ named_color_ptr = ^named_color;
+ named_color = record
+ name : array[0..21 ] of char;
+
+ r ,g ,b ,a : int8u;
+
+ end;
+
+const
+ colors_num = 148;
+
+ colors : array[0..colors_num - 1 ] of named_color =
+ ((name:'aliceblue'; r:240; g:248; b:255; a:255 ) ,
+ (name:'antiquewhite'; r:250; g:235; b:215; a:255 ) ,
+ (name:'aqua'; r:0; g:255; b:255; a:255 ) ,
+ (name:'aquamarine'; r:127; g:255; b:212; a:255 ) ,
+ (name:'azure'; r:240; g:255; b:255; a:255 ) ,
+ (name:'beige'; r:245; g:245; b:220; a:255 ) ,
+ (name:'bisque'; r:255; g:228; b:196; a:255 ) ,
+ (name:'black'; r:0; g:0; b:0; a:255 ) ,
+ (name:'blanchedalmond'; r:255; g:235; b:205; a:255 ) ,
+ (name:'blue'; r:0; g:0; b:255; a:255 ) ,
+ (name:'blueviolet'; r:138; g:43; b:226; a:255 ) ,
+ (name:'brown'; r:165; g:42; b:42; a:255 ) ,
+ (name:'burlywood'; r:222; g:184; b:135; a:255 ) ,
+ (name:'cadetblue'; r:95; g:158; b:160; a:255 ) ,
+ (name:'chartreuse'; r:127; g:255; b:0; a:255 ) ,
+ (name:'chocolate'; r:210; g:105; b:30; a:255 ) ,
+ (name:'coral'; r:255; g:127; b:80; a:255 ) ,
+ (name:'cornflowerblue'; r:100; g:149; b:237; a:255 ) ,
+ (name:'cornsilk'; r:255; g:248; b:220; a:255 ) ,
+ (name:'crimson'; r:220; g:20; b:60; a:255 ) ,
+ (name:'cyan'; r:0; g:255; b:255; a:255 ) ,
+ (name:'darkblue'; r:0; g:0; b:139; a:255 ) ,
+ (name:'darkcyan'; r:0; g:139; b:139; a:255 ) ,
+ (name:'darkgoldenrod'; r:184; g:134; b:11; a:255 ) ,
+ (name:'darkgray'; r:169; g:169; b:169; a:255 ) ,
+ (name:'darkgreen'; r:0; g:100; b:0; a:255 ) ,
+ (name:'darkgrey'; r:169; g:169; b:169; a:255 ) ,
+ (name:'darkkhaki'; r:189; g:183; b:107; a:255 ) ,
+ (name:'darkmagenta'; r:139; g:0; b:139; a:255 ) ,
+ (name:'darkolivegreen'; r:85; g:107; b:47; a:255 ) ,
+ (name:'darkorange'; r:255; g:140; b:0; a:255 ) ,
+ (name:'darkorchid'; r:153; g:50; b:204; a:255 ) ,
+ (name:'darkred'; r:139; g:0; b:0; a:255 ) ,
+ (name:'darksalmon'; r:233; g:150; b:122; a:255 ) ,
+ (name:'darkseagreen'; r:143; g:188; b:143; a:255 ) ,
+ (name:'darkslateblue'; r:72; g:61; b:139; a:255 ) ,
+ (name:'darkslategray'; r:47; g:79; b:79; a:255 ) ,
+ (name:'darkslategrey'; r:47; g:79; b:79; a:255 ) ,
+ (name:'darkturquoise'; r:0; g:206; b:209; a:255 ) ,
+ (name:'darkviolet'; r:148; g:0; b:211; a:255 ) ,
+ (name:'deeppink'; r:255; g:20; b:147; a:255 ) ,
+ (name:'deepskyblue'; r:0; g:191; b:255; a:255 ) ,
+ (name:'dimgray'; r:105; g:105; b:105; a:255 ) ,
+ (name:'dimgrey'; r:105; g:105; b:105; a:255 ) ,
+ (name:'dodgerblue'; r:30; g:144; b:255; a:255 ) ,
+ (name:'firebrick'; r:178; g:34; b:34; a:255 ) ,
+ (name:'floralwhite'; r:255; g:250; b:240; a:255 ) ,
+ (name:'forestgreen'; r:34; g:139; b:34; a:255 ) ,
+ (name:'fuchsia'; r:255; g:0; b:255; a:255 ) ,
+ (name:'gainsboro'; r:220; g:220; b:220; a:255 ) ,
+ (name:'ghostwhite'; r:248; g:248; b:255; a:255 ) ,
+ (name:'gold'; r:255; g:215; b:0; a:255 ) ,
+ (name:'goldenrod'; r:218; g:165; b:32; a:255 ) ,
+ (name:'gray'; r:128; g:128; b:128; a:255 ) ,
+ (name:'green'; r:0; g:128; b:0; a:255 ) ,
+ (name:'greenyellow'; r:173; g:255; b:47; a:255 ) ,
+ (name:'grey'; r:128; g:128; b:128; a:255 ) ,
+ (name:'honeydew'; r:240; g:255; b:240; a:255 ) ,
+ (name:'hotpink'; r:255; g:105; b:180; a:255 ) ,
+ (name:'indianred'; r:205; g:92; b:92; a:255 ) ,
+ (name:'indigo'; r:75; g:0; b:130; a:255 ) ,
+ (name:'ivory'; r:255; g:255; b:240; a:255 ) ,
+ (name:'khaki'; r:240; g:230; b:140; a:255 ) ,
+ (name:'lavender'; r:230; g:230; b:250; a:255 ) ,
+ (name:'lavenderblush'; r:255; g:240; b:245; a:255 ) ,
+ (name:'lawngreen'; r:124; g:252; b:0; a:255 ) ,
+ (name:'lemonchiffon'; r:255; g:250; b:205; a:255 ) ,
+ (name:'lightblue'; r:173; g:216; b:230; a:255 ) ,
+ (name:'lightcoral'; r:240; g:128; b:128; a:255 ) ,
+ (name:'lightcyan'; r:224; g:255; b:255; a:255 ) ,
+ (name:'lightgoldenrodyellow'; r:250; g:250; b:210; a:255 ) ,
+ (name:'lightgray'; r:211; g:211; b:211; a:255 ) ,
+ (name:'lightgreen'; r:144; g:238; b:144; a:255 ) ,
+ (name:'lightgrey'; r:211; g:211; b:211; a:255 ) ,
+ (name:'lightpink'; r:255; g:182; b:193; a:255 ) ,
+ (name:'lightsalmon'; r:255; g:160; b:122; a:255 ) ,
+ (name:'lightseagreen'; r:32; g:178; b:170; a:255 ) ,
+ (name:'lightskyblue'; r:135; g:206; b:250; a:255 ) ,
+ (name:'lightslategray'; r:119; g:136; b:153; a:255 ) ,
+ (name:'lightslategrey'; r:119; g:136; b:153; a:255 ) ,
+ (name:'lightsteelblue'; r:176; g:196; b:222; a:255 ) ,
+ (name:'lightyellow'; r:255; g:255; b:224; a:255 ) ,
+ (name:'lime'; r:0; g:255; b:0; a:255 ) ,
+ (name:'limegreen'; r:50; g:205; b:50; a:255 ) ,
+ (name:'linen'; r:250; g:240; b:230; a:255 ) ,
+ (name:'magenta'; r:255; g:0; b:255; a:255 ) ,
+ (name:'maroon'; r:128; g:0; b:0; a:255 ) ,
+ (name:'mediumaquamarine'; r:102; g:205; b:170; a:255 ) ,
+ (name:'mediumblue'; r:0; g:0; b:205; a:255 ) ,
+ (name:'mediumorchid'; r:186; g:85; b:211; a:255 ) ,
+ (name:'mediumpurple'; r:147; g:112; b:219; a:255 ) ,
+ (name:'mediumseagreen'; r:60; g:179; b:113; a:255 ) ,
+ (name:'mediumslateblue'; r:123; g:104; b:238; a:255 ) ,
+ (name:'mediumspringgreen'; r:0; g:250; b:154; a:255 ) ,
+ (name:'mediumturquoise'; r:72; g:209; b:204; a:255 ) ,
+ (name:'mediumvioletred'; r:199; g:21; b:133; a:255 ) ,
+ (name:'midnightblue'; r:25; g:25; b:112; a:255 ) ,
+ (name:'mintcream'; r:245; g:255; b:250; a:255 ) ,
+ (name:'mistyrose'; r:255; g:228; b:225; a:255 ) ,
+ (name:'moccasin'; r:255; g:228; b:181; a:255 ) ,
+ (name:'navajowhite'; r:255; g:222; b:173; a:255 ) ,
+ (name:'navy'; r:0; g:0; b:128; a:255 ) ,
+ (name:'oldlace'; r:253; g:245; b:230; a:255 ) ,
+ (name:'olive'; r:128; g:128; b:0; a:255 ) ,
+ (name:'olivedrab'; r:107; g:142; b:35; a:255 ) ,
+ (name:'orange'; r:255; g:165; b:0; a:255 ) ,
+ (name:'orangered'; r:255; g:69; b:0; a:255 ) ,
+ (name:'orchid'; r:218; g:112; b:214; a:255 ) ,
+ (name:'palegoldenrod'; r:238; g:232; b:170; a:255 ) ,
+ (name:'palegreen'; r:152; g:251; b:152; a:255 ) ,
+ (name:'paleturquoise'; r:175; g:238; b:238; a:255 ) ,
+ (name:'palevioletred'; r:219; g:112; b:147; a:255 ) ,
+ (name:'papayawhip'; r:255; g:239; b:213; a:255 ) ,
+ (name:'peachpuff'; r:255; g:218; b:185; a:255 ) ,
+ (name:'peru'; r:205; g:133; b:63; a:255 ) ,
+ (name:'pink'; r:255; g:192; b:203; a:255 ) ,
+ (name:'plum'; r:221; g:160; b:221; a:255 ) ,
+ (name:'powderblue'; r:176; g:224; b:230; a:255 ) ,
+ (name:'purple'; r:128; g:0; b:128; a:255 ) ,
+ (name:'red'; r:255; g:0; b:0; a:255 ) ,
+ (name:'rosybrown'; r:188; g:143; b:143; a:255 ) ,
+ (name:'royalblue'; r:65; g:105; b:225; a:255 ) ,
+ (name:'saddlebrown'; r:139; g:69; b:19; a:255 ) ,
+ (name:'salmon'; r:250; g:128; b:114; a:255 ) ,
+ (name:'sandybrown'; r:244; g:164; b:96; a:255 ) ,
+ (name:'seagreen'; r:46; g:139; b:87; a:255 ) ,
+ (name:'seashell'; r:255; g:245; b:238; a:255 ) ,
+ (name:'sienna'; r:160; g:82; b:45; a:255 ) ,
+ (name:'silver'; r:192; g:192; b:192; a:255 ) ,
+ (name:'skyblue'; r:135; g:206; b:235; a:255 ) ,
+ (name:'slateblue'; r:106; g:90; b:205; a:255 ) ,
+ (name:'slategray'; r:112; g:128; b:144; a:255 ) ,
+ (name:'slategrey'; r:112; g:128; b:144; a:255 ) ,
+ (name:'snow'; r:255; g:250; b:250; a:255 ) ,
+ (name:'springgreen'; r:0; g:255; b:127; a:255 ) ,
+ (name:'steelblue'; r:70; g:130; b:180; a:255 ) ,
+ (name:'tan'; r:210; g:180; b:140; a:255 ) ,
+ (name:'teal'; r:0; g:128; b:128; a:255 ) ,
+ (name:'thistle'; r:216; g:191; b:216; a:255 ) ,
+ (name:'tomato'; r:255; g:99; b:71; a:255 ) ,
+ (name:'turquoise'; r:64; g:224; b:208; a:255 ) ,
+ (name:'violet'; r:238; g:130; b:238; a:255 ) ,
+ (name:'wheat'; r:245; g:222; b:179; a:255 ) ,
+ (name:'white'; r:255; g:255; b:255; a:255 ) ,
+ (name:'whitesmoke'; r:245; g:245; b:245; a:255 ) ,
+ (name:'yellow'; r:255; g:255; b:0; a:255 ) ,
+ (name:'yellowgreen'; r:154; g:205; b:50; a:255 ) ,
+ (name:'zzzzzzzzzzz'; r:0; g:0; b:0; a:0 ) );
+
+ pageEqHigh : shortstring =
+ #1#2#3#4#5#6#7#8#9#10#11#12#13#14#15#16 +
+ #17#18#19#20#21#22#23#24#25#26#27#28#29#30#31#32 +
+ #33#34#35#36#37#38#39#40#41#42#43#44#45#46#47#48 +
+ #49#50#51#52#53#54#55#56#57#58#59#60#61#62#63#64 +
+ #65#66#67#68#69#70#71#72#73#74#75#76#77#78#79#80 +
+ #81#82#83#84#85#86#87#88#89#90#91#92#93#94#95#96 +
+ #65#66#67#68#69#70#71#72#73#74#75#76#77#78#79#80 +
+ #81#82#83#84#85#86#87#88#89#90#123#124#125#126#127#128 +
+ #129#130#131#132#133#134#135#136#137#138#139#140#141#142#143#144 +
+ #145#146#147#148#149#150#151#152#153#154#155#156#157#158#159#160 +
+ #161#162#163#164#165#166#167#168#169#170#171#172#173#174#175#176 +
+ #177#178#179#180#181#182#183#184#185#186#187#188#189#190#191#192 +
+ #193#194#195#196#197#198#199#200#201#202#203#204#205#206#207#208 +
+ #209#210#211#212#213#214#215#216#217#218#219#220#221#222#223#224 +
+ #225#226#227#228#229#230#231#232#233#234#235#236#237#238#239#240 +
+ #241#242#243#244#245#246#247#248#249#250#251#252#253#254#255;
+
+{ UNIT IMPLEMENTATION }
+{ START_ELEMENT }
+procedure start_element;
+var
+ this : parser_ptr;
+
+begin
+ this:=parser_ptr(data );
+
+ if StrComp(PChar(el ) ,'title' ) = 0 then
+ this.m_title_flag:=true
+ else
+ if StrComp(PChar(el ) ,'g' ) = 0 then
+ begin
+ this.m_path.push_attr;
+ this.parse_attr(attr );
+
+ end
+ else
+ if StrComp(PChar(el ) ,'path' ) = 0 then
+ begin
+ if this.m_path_flag then
+ raise svg_exception.Construct(PChar('start_element: Nested path' ) );
+
+ this.m_path.begin_path;
+ this.parse_path(attr );
+ this.m_path.end_path;
+
+ this.m_path_flag:=true;
+
+ end
+ else
+ if StrComp(PChar(el ) ,'rect' ) = 0 then
+ this.parse_rect(attr )
+ else
+ if StrComp(PChar(el ) ,'line' ) = 0 then
+ this.parse_line(attr )
+ else
+ if StrComp(PChar(el ) ,'polyline' ) = 0 then
+ this.parse_poly(attr ,false )
+ else
+ if StrComp(PChar(el ) ,'polygon' ) = 0 then
+ this.parse_poly(attr ,true );
+
+ //else
+ // if StrComp(PChar(el ) ,'<OTHER_ELEMENTS>' ) = 0 then
+ // begin
+ // end
+ //...
+
+end;
+
+{ END_ELEMENT }
+procedure end_element;
+var
+ this : parser_ptr;
+
+begin
+ this:=parser_ptr(data );
+
+ if StrComp(PChar(el ) ,'title' ) = 0 then
+ this.m_title_flag:=false
+ else
+ if StrComp(PChar(el ) ,'g' ) = 0 then
+ this.m_path.pop_attr
+ else
+ if StrComp(PChar(el ) ,'path' ) = 0 then
+ this.m_path_flag:=false;
+
+ //else
+ // if StrComp(PChar(el ) ,'<OTHER_ELEMENTS>' ) = 0 then
+ // begin
+ // end
+ // ...
+
+end;
+
+{ CONTENT }
+procedure content;
+var
+ this : parser_ptr;
+
+begin
+ this:=parser_ptr(data );
+
+// m_title_flag signals that the <title> tag is being parsed now.
+// The following code concatenates the pieces of content of the <title> tag.
+ if this.m_title_flag then
+ begin
+ if len + this.m_title_len > 255 then
+ len:=255 - this.m_title_len;
+
+ if len > 0 then
+ begin
+ move(
+ s^ ,
+ char_ptr(ptrcomp(this.m_title ) + this.m_title_len )^ ,
+ len );
+
+ inc(this.m_title_len ,len );
+
+ char_ptr(ptrcomp(this.m_title ) + this.m_title_len )^:=#0;
+
+ end;
+
+ end;
+
+end;
+
+{ hex_unsigned }
+function hex_unsigned(hexstr : agg_basics.char_ptr ) : unsigned;
+
+function xyint(x ,y : integer ) : integer;
+var
+ f : integer;
+ m : boolean;
+
+begin
+ m:=false;
+
+ if y < 0 then
+ begin
+ y:=y * -1;
+ m:=true;
+
+ end;
+
+ result:=x;
+
+ if y > 1 then
+ for f:=1 to y - 1 do
+ result:=result * x;
+
+ if m then
+ result:=result * -1;
+
+end;
+
+var
+ h : shortstring;
+ fcb : byte;
+ yps ,
+ mul ,
+ num : unsigned;
+
+label
+ Err ,Esc ;
+
+const
+ hex : string[16 ] = '0123456789ABCDEF';
+
+begin
+ h:='';
+
+ while hexstr^ <> #0 do
+ begin
+ h:=h + pageEqHigh[byte(hexstr^ ) ];
+
+ inc(ptrcomp(hexstr ) );
+
+ end;
+
+ if length(h ) > 0 then
+ begin
+ case h[length(h ) ] of
+ '0'..'9' ,'A'..'F' :
+ else
+ goto Err;
+
+ end;
+
+ num:=pos(h[length(h ) ] ,hex ) - 1;
+ yps:=2;
+ mul:=xyint(4 ,yps );
+
+ if length(h ) > 1 then
+ for fcb:=length(h ) - 1 downto 1 do
+ begin
+ case h[fcb ] of
+ '0'..'9' ,'A'..'F' :
+ else
+ goto Err;
+
+ end;
+
+ inc(num ,(pos(h[fcb ] ,hex ) - 1 ) * mul );
+ inc(yps ,2 );
+
+ mul:=xyint(4 ,yps );
+
+ end;
+
+ goto Esc;
+
+ end;
+
+Err:
+ num:=0;
+
+Esc:
+ result:=num;
+
+end;
+
+{ parse_color }
+function parse_color(str : agg_basics.char_ptr ) : aggclr;
+var
+ u : unsigned;
+ p : named_color_ptr;
+ m : shortstring;
+
+begin
+ while str^ = ' ' do
+ inc(ptrcomp(str ) );
+
+ if str^ = '#' then
+ begin
+ inc(ptrcomp(str ) );
+
+ u:=hex_unsigned(str );
+
+ result.Construct(rgb8_packed(u ) );
+
+ end
+ else
+ begin
+ p:=NIL;
+
+ for u:=0 to colors_num - 1 do
+ if StrComp(colors[u ].name ,PChar(str ) ) = 0 then
+ begin
+ p:=@colors[u ];
+
+ break;
+
+ end;
+
+ if p = NIL then
+ begin
+ m:='parse_color: Invalid color name ' + StrPas(PChar(str ) ) + #0;
+
+ raise svg_exception.Construct(PChar(@m[1 ] ) );
+
+ end;
+
+ result.ConstrInt(p.r ,p.g ,p.b ,p.a );
+
+ end;
+
+end;
+
+{ parse_double }
+function parse_double(str : agg_basics.char_ptr ) : double;
+begin
+ while str^ = ' ' do
+ inc(ptrcomp(str ) );
+
+ result:=get_double(pointer(PChar(str ) ) );
+
+end;
+
+{ islower }
+function islower(ch : char ) : boolean;
+begin
+ case ch of
+ #97..#122 :
+ result:=true;
+
+ else
+ result:=false;
+
+ end;
+
+end;
+
+{ is_numeric }
+function is_numeric(ch : char ) : boolean;
+begin
+ result:=Pos(ch ,'0123456789+-.eE' ) <> 0;
+
+end;
+
+{ parse_transform_args }
+function parse_transform_args(str : agg_basics.char_ptr; args : double_ptr; max_na : unsigned; na : unsigned_ptr ) : unsigned;
+var
+ ptr ,end_ : agg_basics.char_ptr;
+
+begin
+ na^:=0;
+ ptr:=str;
+
+ while (ptr^ <> #0 ) and
+ (ptr^ <> '(' ) do
+ inc(ptrcomp(ptr ) );
+
+ if ptr^ = #0 then
+ raise svg_exception.Construct(PChar('parse_transform_args: Invalid syntax' ) );
+
+ end_:=ptr;
+
+ while (end_^ <> #0 ) and
+ (end_^ <> ')' ) do
+ inc(ptrcomp(end_ ) );
+
+ if end_^ = #0 then
+ raise svg_exception.Construct(PChar('parse_transform_args: Invalid syntax' ) );
+
+ while ptrcomp(ptr ) < ptrcomp(end_ ) do
+ if is_numeric(ptr^ ) then
+ begin
+ if na^ >= max_na then
+ raise svg_exception.Construct(PChar('parse_transform_args: Too many arguments' ) );
+
+ double_ptr(ptrcomp(args ) + na^ * sizeof(double ) )^:=get_double(ptr );
+
+ inc(na^ );
+
+ while (ptrcomp(ptr ) < ptrcomp(end_ ) ) and
+ is_numeric(ptr^ ) do
+ inc(ptrcomp(ptr ) );
+
+ end
+ else
+ inc(ptrcomp(ptr ) );
+
+ result:=unsigned(ptrcomp(end_ ) - ptrcomp(str ) );
+
+end;
+
+{ CONSTRUCT }
+constructor parser.Construct;
+begin
+ m_path:=path;
+
+ m_tokenizer.Construct;
+
+ agg_getmem(pointer(m_buf ) ,buf_size );
+ agg_getmem(pointer(m_title ) ,256 );
+
+ m_title_len :=0;
+ m_title_flag:=false;
+ m_path_flag :=false;
+
+ m_attr_name_aloc :=128;
+ m_attr_value_aloc:=1024;
+
+ agg_getmem(pointer(m_attr_name ) ,m_attr_name_aloc );
+ agg_getmem(pointer(m_attr_value ) ,m_attr_value_aloc );
+
+ m_attr_name_len :=127;
+ m_attr_value_len:=1023;
+
+ m_title^:=#0;
+
+end;
+
+{ DESTRUCT }
+destructor parser.Destruct;
+begin
+ agg_freemem(pointer(m_attr_value ) ,m_attr_value_aloc );
+ agg_freemem(pointer(m_attr_name ) ,m_attr_name_aloc );
+ agg_freemem(pointer(m_title ) ,256 );
+ agg_freemem(pointer(m_buf ) ,buf_size );
+
+end;
+
+{ PARSE }
+procedure parser.parse;
+var
+ msg : array[0..1023 ] of char;
+
+ p : XML_Parser;
+ af : api_file;
+ ts : char_ptr;
+
+ done : boolean;
+ len : int;
+
+begin
+ p:=XML_ParserCreate(NIL );
+
+ if p = NIL then
+ raise svg_exception.Construct(PChar('Couldn''t allocate memory for parser' ) );
+
+ XML_SetUserData (p ,@self );
+ XML_SetElementHandler (p ,@start_element ,@end_element );
+ XML_SetCharacterDataHandler(p ,@content );
+
+ fname:=fname + #0;
+
+ dec(byte(fname[0 ] ) );
+
+ if not api_open_file(af ,fname ) then
+ begin
+ sprintf(@msg[0 ] ,'Couldn''t open file %s' ,unsigned(@fname[1 ] ) );
+
+ XML_ParserFree(p );
+
+ raise svg_exception.Construct(PChar(@msg[0 ] ) );
+
+ end;
+
+ done:=false;
+
+ repeat
+ api_read_file(af ,m_buf ,buf_size ,len );
+
+ done:=len < buf_size;
+
+ if XML_Parse(p ,pointer(m_buf ) ,len ,int(done ) ) = XML_STATUS_ERROR then
+ begin
+ api_close_file(af );
+ XML_ParserFree(p );
+
+ sprintf(
+ @msg[0 ] ,
+ '%s at line ' ,
+ unsigned(
+ XML_ErrorString(
+ int(XML_GetErrorCode(p ) ) ) ) );
+
+ sprintf(
+ @msg[StrLen(msg ) ] ,
+ '%d'#13 ,
+ XML_GetCurrentLineNumber(p ) );
+
+ raise svg_exception.Construct(PChar(@msg[0 ] ) );
+
+ end;
+
+ until done;
+
+ api_close_file(af );
+ XML_ParserFree(p );
+
+ ts:=m_title;
+
+ while ts^ <> #0 do
+ begin
+ if byte(ts^ ) < byte(' ' ) then
+ ts^:=' ';
+
+ inc(ptrcomp(ts ) );
+
+ end;
+
+end;
+
+{ TITLE }
+function parser.title;
+begin
+ result:=m_title;
+
+end;
+
+{ PARSE_ATTR }
+procedure parser.parse_attr(attr : char_ptr_ptr );
+var
+ i : int;
+
+begin
+ i:=0;
+
+ while char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ <> NIL do
+ begin
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'style' ) = 0 then
+ parse_style(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ )
+ else
+ parse_attr(
+ agg_basics.char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ,
+ agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ inc(i ,2 );
+
+ end;
+
+end;
+
+{ PARSE_PATH }
+procedure parser.parse_path;
+var
+ i : int;
+
+ tmp : array[0..3 ] of agg_basics.char_ptr;
+
+begin
+ i:=0;
+
+ while char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ <> NIL do
+ begin
+ // The <path> tag can consist of the path itself ("d=")
+ // as well as of other parameters like "style=", "transform=", etc.
+ // In the last case we simply rely on the function of parsing
+ // attributes (see 'else' branch).
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'d' ) = 0 then
+ begin
+ m_tokenizer.set_path_str(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ m_path.parse_path(@m_tokenizer );
+
+ end
+ else
+ begin
+ // Create a temporary single pair "name-value" in order
+ // to avoid multiple calls for the same attribute.
+ tmp[0 ]:=agg_basics.char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^;
+ tmp[1 ]:=agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^;
+ tmp[2 ]:=NIL;
+ tmp[3 ]:=NIL;
+
+ parse_attr(@tmp );
+
+ end;
+
+ inc(i ,2 );
+
+ end;
+
+end;
+
+{ PARSE_POLY }
+procedure parser.parse_poly;
+var
+ i : int;
+
+ x ,y : double;
+
+begin
+ x:=0.0;
+ y:=0.0;
+
+ m_path.begin_path;
+
+ i:=0;
+
+ while char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ <> NIL do
+ begin
+ if not parse_attr(
+ agg_basics.char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ,
+ agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ ) then
+ if StrComp(PChar(agg_basics.char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'points' ) = 0 then
+ begin
+ m_tokenizer.set_path_str(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ if not m_tokenizer.next then
+ raise svg_exception.Construct(PChar('parse_poly: Too few coordinates' ) );
+
+ x:=m_tokenizer.last_number;
+
+ if not m_tokenizer.next then
+ raise svg_exception.Construct(PChar('parse_poly: Too few coordinates' ) );
+
+ y:=m_tokenizer.last_number;
+
+ m_path.move_to(x ,y );
+
+ while m_tokenizer.next do
+ begin
+ x:=m_tokenizer.last_number;
+
+ if not m_tokenizer.next then
+ raise svg_exception.Construct(PChar('parse_poly: Odd number of coordinates' ) );
+
+ y:=m_tokenizer.last_number;
+
+ m_path.line_to(x ,y );
+
+ end;
+
+ end;
+
+ inc(i ,2 );
+
+ end;
+
+ m_path.end_path;
+
+end;
+
+{ PARSE_RECT }
+procedure parser.parse_rect;
+var
+ i : int;
+
+ x ,y ,w ,h : double;
+
+begin
+ x:=0.0;
+ y:=0.0;
+ w:=0.0;
+ h:=0.0;
+
+ m_path.begin_path;
+
+ i:=0;
+
+ while char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ <> NIL do
+ begin
+ if not parse_attr(
+ agg_basics.char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ,
+ agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ ) then
+ begin
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'x' ) = 0 then
+ x:=parse_double(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'y' ) = 0 then
+ y:=parse_double(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'width' ) = 0 then
+ w:=parse_double(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'height' ) = 0 then
+ h:=parse_double(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ // rx - to be implemented
+ // ry - to be implemented
+
+ end;
+
+ inc(i ,2 );
+
+ end;
+
+ if (w <> 0.0 ) and
+ (h <> 0.0 ) then
+ begin
+ if w < 0.0 then
+ raise svg_exception.Construct(PChar('parse_rect: Invalid width: ' ) );
+
+ if h < 0.0 then
+ raise svg_exception.Construct(PChar('parse_rect: Invalid height: ' ) );
+
+ m_path.move_to(x ,y );
+ m_path.line_to(x + w ,y );
+ m_path.line_to(x + w ,y + h );
+ m_path.line_to(x ,y + h );
+ m_path.close_subpath;
+
+ end;
+
+ m_path.end_path;
+
+end;
+
+{ PARSE_LINE }
+procedure parser.parse_line;
+var
+ i : int;
+
+ x1 ,y1 ,x2 ,y2 : double;
+
+begin
+ x1:=0.0;
+ y1:=0.0;
+ x2:=0.0;
+ y2:=0.0;
+
+ m_path.begin_path;
+
+ i:=0;
+
+ while char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ <> NIL do
+ begin
+ if not parse_attr(
+ agg_basics.char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ,
+ agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ ) then
+ begin
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'x1' ) = 0 then
+ x1:=parse_double(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'y1' ) = 0 then
+ y1:=parse_double(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'x2' ) = 0 then
+ x2:=parse_double(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ if StrComp(PChar(char_ptr_ptr(ptrcomp(attr ) + i * sizeof(char_ptr ) )^ ) ,'y2' ) = 0 then
+ y2:=parse_double(agg_basics.char_ptr_ptr(ptrcomp(attr ) + (i + 1 ) * sizeof(char_ptr ) )^ );
+
+ end;
+
+ inc(i ,2 );
+
+ end;
+
+ m_path.move_to(x1 ,y1 );
+ m_path.line_to(x2 ,y2 );
+ m_path.end_path;
+
+end;
+
+{ PARSE_STYLE }
+procedure parser.parse_style;
+var
+ nv_start ,nv_end : agg_basics.char_ptr;
+
+begin
+ while str^ <> #0 do
+ begin
+ // Left Trim
+ while (str^ <> #0 ) and
+ (str^ = ' ' ) do
+ inc(ptrcomp(str ) );
+
+ nv_start:=str;
+
+ while (str^ <> #0 ) and
+ (str^ <> ';' ) do
+ inc(ptrcomp(str ) );
+
+ nv_end:=str;
+
+ // Right Trim
+ while (ptrcomp(nv_end ) > ptrcomp(nv_start ) ) and
+ ((nv_end^ = ';' ) or
+ (nv_end^ = ' ' ) ) do
+ dec(ptrcomp(nv_end ) );
+
+ inc(ptrcomp(nv_end ) );
+
+ parse_name_value(nv_start ,nv_end );
+
+ if str^ <> #0 then
+ inc(ptrcomp(str ) );
+
+ end;
+
+end;
+
+{ PARSE_TRANSFORM }
+procedure parser.parse_transform;
+begin
+ while str^ <> #0 do
+ begin
+ if islower(str^ ) then
+ if StrLComp(PChar(str ) ,'matrix' ,6 ) = 0 then
+ inc(ptrcomp(str ) ,parse_matrix(str ) )
+ else
+ if StrLComp(PChar(str ) ,'translate' ,9 ) = 0 then
+ inc(ptrcomp(str ) ,parse_translate(str ) )
+ else
+ if StrLComp(PChar(str ) ,'rotate' ,6 ) = 0 then
+ inc(ptrcomp(str ) ,parse_rotate(str ) )
+ else
+ if StrLComp(PChar(str ) ,'scale' ,5 ) = 0 then
+ inc(ptrcomp(str ) ,parse_scale(str ) )
+ else
+ if StrLComp(PChar(str ) ,'skewX' ,5 ) = 0 then
+ inc(ptrcomp(str ) ,parse_skew_x(str ) )
+ else
+ if StrLComp(PChar(str ) ,'skewY' ,5 ) = 0 then
+ inc(ptrcomp(str ) ,parse_skew_y(str ) )
+ else
+ inc(ptrcomp(str ) )
+
+ else
+ inc(ptrcomp(str ) );
+
+ end;
+
+end;
+
+{ PARSE_MATRIX }
+function parser.parse_matrix;
+var
+ args : array[0..5 ] of double;
+
+ na ,len : unsigned;
+
+ ta : trans_affine;
+
+begin
+ na :=0;
+ len:=parse_transform_args(str ,@args ,6 ,@na );
+
+ if na <> 6 then
+ raise svg_exception.Construct(PChar('parse_matrix: Invalid number of arguments' ) );
+
+ ta.Construct(args[0 ] ,args[1 ] ,args[2 ] ,args[3 ] ,args[4 ] ,args[5 ] );
+
+ m_path.transform.premultiply(@ta );
+
+ result:=len;
+
+end;
+
+{ PARSE_TRANSLATE }
+function parser.parse_translate;
+var
+ args : array[0..1 ] of double;
+
+ na ,len : unsigned;
+
+ tat : trans_affine_translation;
+
+begin
+ na :=0;
+ len:=parse_transform_args(str ,@args ,2 ,@na );
+
+ if na = 1 then
+ args[1 ]:=0.0;
+
+ tat.Construct(args[0 ] ,args[1 ] );
+
+ m_path.transform.premultiply(@tat );
+
+ result:=len;
+
+end;
+
+{ PARSE_ROTATE }
+function parser.parse_rotate;
+var
+ args : array[0..2 ] of double;
+
+ na ,len : unsigned;
+
+ tar : trans_affine_rotation;
+
+ tat ,t : trans_affine_translation;
+
+begin
+ na :=0;
+ len:=parse_transform_args(str ,@args ,3 ,@na );
+
+ if na = 1 then
+ begin
+ tar.Construct(deg2rad(args[0 ] ) );
+
+ m_path.transform.premultiply(@tar );
+
+ end
+ else
+ if na = 3 then
+ begin
+ t.Construct(-args[1 ] ,-args[2 ] );
+
+ tar.Construct(deg2rad(args[0 ] ) );
+ tat.Construct(args[1 ] ,args[2 ] );
+
+ t.multiply(@tar );
+ t.multiply(@tat );
+
+ m_path.transform.premultiply(@t );
+
+ end
+ else
+ raise svg_exception.Construct(PChar('parse_rotate: Invalid number of arguments' ) );
+
+ result:=len;
+
+end;
+
+{ PARSE_SCALE }
+function parser.parse_scale;
+var
+ args : array[0..1 ] of double;
+
+ na ,len : unsigned;
+
+ tas : trans_affine_scaling;
+
+begin
+ na :=0;
+ len:=parse_transform_args(str ,@args ,2 ,@na );
+
+ if na = 1 then
+ args[1 ]:=args[0 ];
+
+ tas.Construct(args[0 ] ,args[1 ] );
+
+ m_path.transform.premultiply(@tas );
+
+ result:=len;
+
+end;
+
+{ PARSE_SKEW_X }
+function parser.parse_skew_x;
+var
+ arg : double;
+
+ na ,len : unsigned;
+
+ tas : trans_affine_skewing;
+
+begin
+ na :=0;
+ len:=parse_transform_args(str ,@arg ,1 ,@na );
+
+ tas.Construct(deg2rad(arg ) ,0.0 );
+
+ m_path.transform.premultiply(@tas );
+
+ result:=len;
+
+end;
+
+{ PARSE_SKEW_Y }
+function parser.parse_skew_y;
+var
+ arg : double;
+
+ na ,len : unsigned;
+
+ tas : trans_affine_skewing;
+
+begin
+ na :=0;
+ len:=parse_transform_args(str ,@arg ,1 ,@na );
+
+ tas.Construct(0.0 ,deg2rad(arg ) );
+
+ m_path.transform.premultiply(@tas );
+
+ result:=len;
+
+end;
+
+{ PARSE_ATTR }
+function parser.parse_attr(name ,value : agg_basics.char_ptr ) : boolean;
+var
+ clr : aggclr;
+
+begin
+ result:=true;
+
+ if StrComp(PChar(name ) ,'style' ) = 0 then
+ parse_style(value )
+ else
+ if StrComp(PChar(name ) ,'fill' ) = 0 then
+ if StrComp(PChar(value ) ,'none' ) = 0 then
+ m_path.fill_none
+ else
+ begin
+ clr:=parse_color(value );
+
+ m_path.fill(@clr );
+
+ end
+ else
+ if StrComp(PChar(name ) ,'fill-opacity' ) = 0 then
+ m_path.fill_opacity(parse_double(value ) )
+ else
+ if StrComp(PChar(name ) ,'stroke' ) = 0 then
+ if StrComp(PChar(value ) ,'none' ) = 0 then
+ m_path.stroke_none
+ else
+ begin
+ clr:=parse_color(value );
+
+ m_path.stroke(@clr );
+
+ end
+ else
+ if StrComp(PChar(name ) ,'stroke-width' ) = 0 then
+ m_path.stroke_width(parse_double(value ) )
+ else
+ if StrComp(PChar(name ) ,'stroke-linecap' ) = 0 then
+ begin
+ if StrComp(PChar(value ) ,'butt' ) = 0 then
+ m_path.line_cap(butt_cap )
+ else
+ if StrComp(PChar(value ) ,'round' ) = 0 then
+ m_path.line_cap(round_cap )
+ else
+ if StrComp(PChar(value ) ,'square' ) = 0 then
+ m_path.line_cap(square_cap );
+
+ end
+ else
+ if StrComp(PChar(name ) ,'stroke-linejoin' ) = 0 then
+ begin
+ if StrComp(PChar(value ) ,'miter' ) = 0 then
+ m_path.line_join(miter_join )
+ else
+ if StrComp(PChar(value ) ,'round' ) = 0 then
+ m_path.line_join(round_join )
+ else
+ if StrComp(PChar(value ) ,'bevel' ) = 0 then
+ m_path.line_join(bevel_join );
+
+ end
+ else
+ if StrComp(PChar(name ) ,'stroke-miterlimit' ) = 0 then
+ m_path.miter_limit(parse_double(value ) )
+ else
+ if StrComp(PChar(name ) ,'stroke-opacity' ) = 0 then
+ m_path.stroke_opacity(parse_double(value ) )
+ else
+ if StrComp(PChar(name ) ,'transform' ) = 0 then
+ parse_transform(value )
+
+ //else
+ // if StrComp(PChar(el ) ,'<OTHER_ATTRIBUTES>' ) = 0 then
+ // begin
+ // end
+ // ...
+
+ else
+ result:=false;
+
+end;
+
+{ PARSE_NAME_VALUE }
+function parser.parse_name_value;
+var
+ str ,val : agg_basics.char_ptr;
+
+begin
+ str:=nv_start;
+
+ while (ptrcomp(str ) < ptrcomp(nv_end ) ) and
+ (str^ <> ':' ) do
+ inc(ptrcomp(str ) );
+
+ val:=str;
+
+// Right Trim
+ while (ptrcomp(str ) > ptrcomp(nv_start ) ) and
+ ((str^ = ':' ) or
+ (str^ = ' ' ) ) do
+ dec(ptrcomp(str ) );
+
+ inc(ptrcomp(str ) );
+
+ copy_name(nv_start ,str );
+
+ while (ptrcomp(val ) < ptrcomp(nv_end ) ) and
+ ((val^ = ':' ) or
+ (val^ = ' ' ) ) do
+ inc(ptrcomp(val ) );
+
+ copy_value(val ,nv_end );
+
+ result:=parse_attr(agg_basics.char_ptr(m_attr_name ) ,agg_basics.char_ptr(m_attr_value ) );
+
+end;
+
+{ COPY_NAME }
+procedure parser.copy_name;
+var
+ len : unsigned;
+
+begin
+ len:=ptrcomp(end_ ) - ptrcomp(start );
+
+ if (m_attr_name_len = 0 ) or
+ (len > m_attr_name_len ) then
+ begin
+ agg_freemem(pointer(m_attr_name ) ,m_attr_name_aloc );
+
+ m_attr_name_aloc:=len + 1;
+
+ agg_freemem(pointer(m_attr_name ) ,m_attr_name_aloc );
+
+ m_attr_name_len:=len;
+
+ end;
+
+ if len <> 0 then
+ move(start^ ,m_attr_name^ ,len );
+
+ char_ptr(ptrcomp(m_attr_name ) + len )^:=#0;
+
+end;
+
+{ COPY_VALUE }
+procedure parser.copy_value;
+var
+ len : unsigned;
+
+begin
+ len:=ptrcomp(end_ ) - ptrcomp(start );
+
+ if (m_attr_value_len = 0 ) or
+ (len > m_attr_value_len ) then
+ begin
+ agg_freemem(pointer(m_attr_value ) ,m_attr_value_aloc );
+
+ m_attr_value_aloc:=len + 1;
+
+ agg_getmem(pointer(m_attr_value ) ,m_attr_value_aloc );
+
+ m_attr_value_len:=len;
+
+ end;
+
+ if len <> 0 then
+ move(start^ ,m_attr_value^ ,len );
+
+ char_ptr(ptrcomp(m_attr_value ) + len )^:=#0;
+
+end;
+
+END.
+
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