%token '=' '"' ':' ';' ','

%token INT         FLOAT       FT_SIZE_VAL     COLOR
%token HREF        SYMB        REFERENCE
%token FILL        STROKE      STYLE 
%token POINTS      TRANSFORM
%token FONT_FAMILY FONT_SIZE   FONT_FAM_VAL

%token TAG_CL
%token TITLE      DESC
%token CIRC_OP    CX     CY       R
%token SVG_BEG    WIDTH  HEIGHT   SVG_END 
%token G_BEG      ID     G_END 
%token LINE_OP    X1     Y1       X2     Y2
%token USE_OP     XLINK  STYLE
%token POLYL_OP 

%{
#include "utils.c"
%}

%%
Text:
                |   Text SvgTag	          { myPause("<SvgTag>");          }	
                |   Text TITLE	          { myPause("<TITLE>");           }	
                |   Text DESC	          { myPause("<DESC>");            }
                |   Text Circle	          { myPause("<Circle>");          }	
                |   Text Line	          { myPause("<Line>");            }	
                |   Text GroupBeg         { myPause("<GroupBeg>");        }	
                |   Text G_END            { myPause("<G_END>");           } 
                |   Text Use	          { myPause("<use>");             }	
                |   Text Polyline         { myPause("<Polyline>");        } 
                |   Text SVG_END          { myPause("<SVG_END>");         } 

		|   Text IntList          { myPause("<IntList>");         }
		|   Text IntPairList      { myPause("<IntPairList>");     }
		|   Text SeparateAttrVal  { myPause("<SeparateAttrVal>"); }
		|   Text Style            { myPause("<Style>");           }	
		|   Text PointList        { myPause("<PointList>");       } 
                |   Text Transform        { myPause("<Transform>");       }
                |   Text FuncCall         { myPause("<FuncCall>");        } 
                ;
                
Use:                USE_OP XLINK ':' HREF '=' '"' REFERENCE '"' Transform  TAG_CL
                ;
                
SvgTag:             SVG_BEG  SeparateAttrVal  SeparateAttrVal '>'
                ;

Circle:             CIRC_OP SeparateAttrVal SeparateAttrVal SeparateAttrVal Style TAG_CL
                |   CIRC_OP SeparateAttrVal SeparateAttrVal SeparateAttrVal 
                            SeparateAttrVal SeparateAttrVal TAG_CL
                ; 
		
Polyline:           POLYL_OP PointList Style TAG_CL
                |   POLYL_OP PointList TAG_CL
                ;

Line:               LINE_OP SeparateAttrVal SeparateAttrVal 
                            SeparateAttrVal SeparateAttrVal Style TAG_CL
                ;
                
GroupBeg:           G_BEG   SeparateAttrVal  '>'
                ;

Style:		    STYLE '=' '"' AttValueList '"'
		;
		
AttValueList:	    AttValue                 { myPause("<AttValue>");    } 
		|   AttValueList  AttValue   { myPause("<AttValue>");    } 
		;
		
SeparateAttrVal :   FILL   '=' '"' COLOR '"'
                |   STROKE '=' '"' COLOR '"'
		|   WIDTH  '=' '"' INT   '"'
		|   HEIGHT '=' '"' INT   '"'
		|   CX     '=' '"' INT   '"'
		|   CY     '=' '"' INT   '"'
		|   R      '=' '"' INT   '"'		        
		|   X1     '=' '"' INT   '"'
		|   X2     '=' '"' INT   '"'
		|   Y1     '=' '"' INT   '"'
		|   Y2     '=' '"' INT   '"'
		|   ID     '=' '"' SYMB  '"'
                ;

AttValue:  	    FILL  	    ':' COLOR      ';'
		|   STROKE      ':' COLOR          ';'
		|   FONT_FAMILY ':' FONT_FAM_VAL   ';'
		|   FONT_SIZE   ':' FT_SIZE_VAL	   ';'
		;
		
PointList :         POINTS  '=' '"' IntPairList '"'
                ;

Transform:          TRANSFORM '=' '"' FuncCallList '"'
                ;
                
FuncCallList:       FuncCall
                |   FuncCallList   FuncCall
                ;
                
FuncCall:           SYMB   '(' IntList ')'    { myPause("<FuncCall1>"); }
                |   SYMB   '(' IntPair ')'    { myPause("<FuncCall2>"); }
                ;
                
IntList:            INT                    { myPause("<INT>"); }
                |   IntList ',' INT        { myPause("<INT>"); }
                ;
                
IntPairList:	    IntPair 
		|   IntPairList ','  IntPair
		;
		        
IntPair:            INT  INT 
                ;
%%