const std::string XHTML_WIDTH_ATTRIBUTE("width");
const std::string XHTML_SLANT_ATTRIBUTE("slant");
-const unsigned int MAX_FONT_ATTRIBUTE_SIZE = 15u; ///< The maximum length of any of the possible 'weight', 'width' or 'slant' values.
+const std::string FONT_PREFIX("font-");
+const unsigned int FONT_PREFIX_LENGTH = 5u;
+const unsigned int MIN_FONT_ATTRIBUTE_SIZE = 4u; ///< The minimum length of any of the possible 'weight', 'width' , 'slant' or 'size' values.
+const unsigned int MAX_FONT_ATTRIBUTE_SIZE = 15u; ///< The maximum length of any of the possible 'weight', 'width' or 'slant' values.
+const float PIXEL_FORMAT_64_FACTOR = 64.f; ///< 64.f is used to convert from point size to 26.6 pixel format.
} // namespace
+void processFontAttributeValue(char value[], const Attribute& attribute)
+{
+ // The StringToWeight() uses the Scripting::GetEnumeration() function which requires the input string to end with a '\0' char.
+ const Length length = attribute.valueLength > MAX_FONT_ATTRIBUTE_SIZE ? MAX_FONT_ATTRIBUTE_SIZE : attribute.valueLength;
+ memcpy(value, attribute.valueBuffer, length);
+ value[length] = 0;
+}
+
+void ProcessFontFamily(const Attribute& attribute, FontDescriptionRun& fontRun)
+{
+ fontRun.familyDefined = true;
+ fontRun.familyLength = attribute.valueLength;
+ fontRun.familyName = new char[fontRun.familyLength];
+ memcpy(fontRun.familyName, attribute.valueBuffer, fontRun.familyLength);
+ // The memory is freed when the font run is removed from the logical model.
+}
+
+void ProcessFontSize(const Attribute& attribute, FontDescriptionRun& fontRun)
+{
+ // 64.f is used to convert from point size to 26.6 pixel format.
+ fontRun.size = static_cast<PointSize26Dot6>(StringToFloat(attribute.valueBuffer) * PIXEL_FORMAT_64_FACTOR);
+ fontRun.sizeDefined = true;
+}
+
+void ProcessFontWeight(const Attribute& attribute, FontDescriptionRun& fontRun)
+{
+ char value[MAX_FONT_ATTRIBUTE_SIZE + 1u];
+ processFontAttributeValue(value, attribute);
+
+ fontRun.weight = StringToWeight(value);
+ fontRun.weightDefined = true;
+}
+
+void ProcessFontWidth(const Attribute& attribute, FontDescriptionRun& fontRun)
+{
+ char value[MAX_FONT_ATTRIBUTE_SIZE + 1u];
+ processFontAttributeValue(value, attribute);
+
+ fontRun.width = StringToWidth(value);
+ fontRun.widthDefined = true;
+}
+
+void ProcessFontSlant(const Attribute& attribute, FontDescriptionRun& fontRun)
+{
+ char value[MAX_FONT_ATTRIBUTE_SIZE + 1u];
+ processFontAttributeValue(value, attribute);
+
+ fontRun.slant = StringToSlant(value);
+ fontRun.slantDefined = true;
+}
+
void ProcessFontTag(const Tag& tag, FontDescriptionRun& fontRun)
{
for(Vector<Attribute>::ConstIterator it = tag.attributes.Begin(),
++it)
{
const Attribute& attribute(*it);
+
if(TokenComparison(XHTML_FAMILY_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
{
- fontRun.familyDefined = true;
- fontRun.familyLength = attribute.valueLength;
- fontRun.familyName = new char[fontRun.familyLength];
- memcpy(fontRun.familyName, attribute.valueBuffer, fontRun.familyLength);
- // The memory is freed when the font run is removed from the logical model.
+ ProcessFontFamily(attribute, fontRun);
}
else if(TokenComparison(XHTML_SIZE_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
{
- // 64.f is used to convert from point size to 26.6 pixel format.
- fontRun.size = static_cast<PointSize26Dot6>(StringToFloat(attribute.valueBuffer) * 64.f);
- fontRun.sizeDefined = true;
+ ProcessFontSize(attribute, fontRun);
}
else if(TokenComparison(XHTML_WEIGHT_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
{
- // The StringToWeight() uses the Scripting::GetEnumeration() function which requires the input string to end with a '\0' char.
- char value[MAX_FONT_ATTRIBUTE_SIZE + 1u];
- const Length length = attribute.valueLength > MAX_FONT_ATTRIBUTE_SIZE ? MAX_FONT_ATTRIBUTE_SIZE : attribute.valueLength;
- memcpy(value, attribute.valueBuffer, length);
- value[length] = 0;
-
- fontRun.weight = StringToWeight(value);
- fontRun.weightDefined = true;
+ ProcessFontWeight(attribute, fontRun);
}
else if(TokenComparison(XHTML_WIDTH_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
{
- // The StringToWidth() uses the Scripting::GetEnumeration() function which requires the input string to end with a '\0' char.
- char value[MAX_FONT_ATTRIBUTE_SIZE + 1u];
- const Length length = attribute.valueLength > MAX_FONT_ATTRIBUTE_SIZE ? MAX_FONT_ATTRIBUTE_SIZE : attribute.valueLength;
- memcpy(value, attribute.valueBuffer, length);
- value[length] = 0;
-
- fontRun.width = StringToWidth(value);
- fontRun.widthDefined = true;
+ ProcessFontWidth(attribute, fontRun);
}
else if(TokenComparison(XHTML_SLANT_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength))
{
- // The StringToSlant() uses the Scripting::GetEnumeration() function which requires the input string to end with a '\0' char.
- char value[MAX_FONT_ATTRIBUTE_SIZE + 1u];
- const Length length = attribute.valueLength > MAX_FONT_ATTRIBUTE_SIZE ? MAX_FONT_ATTRIBUTE_SIZE : attribute.valueLength;
- memcpy(value, attribute.valueBuffer, length);
- value[length] = 0;
-
- fontRun.slant = StringToSlant(value);
- fontRun.slantDefined = true;
+ ProcessFontSlant(attribute, fontRun);
}
}
}