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annotate src/styleengine.hh @ 1742:6ff5d5aeb9a5

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inline setNonCssHint()
author Johannes Hofmann <Johannes.Hofmann@gmx.de>
date Thu, 14 Oct 2010 09:04:52 +0200
parents 7974b38cc036
children ef983c0fe908
rev   line source
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96713a0f5d8b css.[ch][ch] -> styleengine.[ch][ch]
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1 #ifndef __STYLEENGINE_HH__
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2 #define __STYLEENGINE_HH__
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3
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4 class StyleEngine;
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5
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6 #include "dw/core.hh"
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7 #include "doctree.hh"
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8 #include "css.hh"
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9 #include "cssparser.hh"
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10
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11 /**
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12 * \brief This class provides the glue between HTML parser and CSS subsystem.
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13 *
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14 * It maintains a document tree and creates and caches style objects for use
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15 * by the HTML parser.
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16 * The HTML parser in turn informs StyleEngine about opened or closed
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17 * HTML elements and their attributes via the startElement() / endElement()
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18 * methods.
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19 */
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20 class StyleEngine {
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21 private:
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22 struct Node {
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23 CssPropertyList *styleAttrProperties;
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24 CssPropertyList *nonCssProperties;
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25 dw::core::style::Style *style;
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26 dw::core::style::Style *wordStyle;
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27 bool inheritBackgroundColor;
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28 DoctreeNode *doctreeNode;
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29 };
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30
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31 dw::core::Layout *layout;
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32 lout::misc::SimpleVector <Node> *stack;
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33 CssContext *cssContext;
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34 Doctree *doctree;
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35 int importDepth;
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36
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37 dw::core::style::Style *style0 (int i);
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38 dw::core::style::Style *wordStyle0 ();
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39 inline void setNonCssHint(CssPropertyName name, CssValueType type,
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40 CssPropertyValue value) {
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41 Node *n = stack->getRef (stack->size () - 1);
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42
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43 if (!n->nonCssProperties)
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44 n->nonCssProperties = new CssPropertyList (true);
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45 n->nonCssProperties->set(name, type, value);
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46 }
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47 void preprocessAttrs (dw::core::style::StyleAttrs *attrs);
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48 void postprocessAttrs (dw::core::style::StyleAttrs *attrs);
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49 void apply (int i, dw::core::style::StyleAttrs *attrs, CssPropertyList *props);
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50 bool computeValue (int *dest, CssLength value,
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51 dw::core::style::Font *font);
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52 bool computeValue (int *dest, CssLength value,
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53 dw::core::style::Font *font, int percentageBase);
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54 bool computeLength (dw::core::style::Length *dest, CssLength value,
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55 dw::core::style::Font *font);
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56 void computeBorderWidth (int *dest, CssProperty *p,
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57 dw::core::style::Font *font);
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58
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59 public:
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60 StyleEngine (dw::core::Layout *layout);
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61 ~StyleEngine ();
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62
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63 void parse (DilloHtml *html, DilloUrl *url, const char *buf, int buflen,
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64 CssOrigin origin);
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65 void startElement (int tag);
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66 void startElement (const char *tagname);
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67 void setId (const char *id);
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68 const char * getId () { return doctree->top ()->id; };
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69 void setClass (const char *klass);
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70 void setStyle (const char *style);
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71 void endElement (int tag);
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72 void setPseudoLink ();
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73 void setPseudoVisited ();
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74 inline void setNonCssHint(CssPropertyName name, CssValueType type,
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75 int value) {
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76 CssPropertyValue v;
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77 v.intVal = value;
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78 setNonCssHint (name, type, v);
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79 }
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80 inline void setNonCssHint(CssPropertyName name, CssValueType type,
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81 const char *value) {
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82 CssPropertyValue v;
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83 v.strVal = dStrdup(value);
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84 setNonCssHint (name, type, v);
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85 }
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86 void inheritNonCssHints ();
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87 void clearNonCssHints ();
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88 void restyle ();
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89 void inheritBackgroundColor (); /* \todo get rid of this somehow */
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90 dw::core::style::Style *backgroundStyle ();
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91 dw::core::style::Color *backgroundColor ();
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92
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93 inline dw::core::style::Style *style () {
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94 dw::core::style::Style *s = stack->getRef (stack->size () - 1)->style;
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95 if (s)
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96 return s;
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97 else
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98 return style0 (stack->size () - 1);
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99 };
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100
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101 inline dw::core::style::Style *wordStyle () {
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102 dw::core::style::Style *s = stack->getRef(stack->size()-1)->wordStyle;
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103 if (s)
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104 return s;
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105 else
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106 return wordStyle0 ();
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107 };
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108 };
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109
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110 #endif