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#ifndef __STYLEENGINE_HH__
#define __STYLEENGINE_HH__
#include "dw/core.hh"
#include "doctree.hh"
#include "css.hh"
#include "cssparser.hh"
class StyleEngine : public Doctree {
private:
class Node : public DoctreeNode {
public:
dw::core::style::Style *style;
dw::core::style::Style *wordStyle;
const char *styleAttribute;
bool inheritBackgroundColor;
};
dw::core::Layout *layout;
lout::misc::SimpleVector <Node> *stack;
CssContext *cssContext;
dw::core::style::Style *style0 (CssPropertyList *nonCssHints = NULL);
dw::core::style::Style *wordStyle0 (CssPropertyList *nonCssHints = NULL);
void apply (dw::core::style::StyleAttrs *attrs, CssPropertyList *props);
bool computeValue (int *dest, CssLength value, dw::core::style::Font *font);
bool computeValue (int *dest, CssLength value, dw::core::style::Font *font,
int percentageBase);
bool computeLength (dw::core::style::Length *dest, CssLength value, dw::core::style::Font *font);
public:
StyleEngine (dw::core::Layout *layout);
~StyleEngine ();
/* Doctree interface */
inline const DoctreeNode *top () {
return stack->getRef (stack->size () - 1);
};
inline const DoctreeNode *parent (const DoctreeNode *n) {
if (n->depth > 1)
return stack->getRef (n->depth - 1);
else
return NULL;
};
void parse (const char *buf, int buflen, int order_count, CssOrigin origin);
void startElement (int tag);
void setId (const char *id);
void setClass (const char *klass);
void setStyle (const char *style);
void endElement (int tag);
void setPseudoLink ();
void setPseudoVisited ();
void setNonCssHints (CssPropertyList *nonCssHints);
void inheritBackgroundColor (); /* \todo get rid of this somehow */
inline dw::core::style::Style *style () {
dw::core::style::Style *s = stack->getRef (stack->size () - 1)->style;
if (s)
return s;
else
return style0 ();
};
inline dw::core::style::Style *wordStyle () {
dw::core::style::Style *s = stack->getRef (stack->size () - 1)->wordStyle;
if (s)
return s;
else
return wordStyle0 ();
};
};
#endif
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