html_common.hh File Reference

#include "url.h"
#include "bw.h"
#include "lout/misc.hh"
#include "dw/core.hh"
#include "dw/image.hh"
#include "dw/style.hh"
#include "image.hh"
#include "form.hh"
#include "styleengine.hh"

Include dependency graph for html_common.hh:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	DilloHtmlImage
struct	DilloHtmlState
class	DilloHtml
class	DilloHtml::HtmlLinkReceiver

Macros
#define	HT2TB(html)   ((Textblock*)(html->dw))
	"html struct" to Textblock
#define	HT2LT(html)   ((Layout*)html->bw->render_layout)
	"html struct" to "Layout"
#define	IM2DW(Image)   ((Widget*)Image->dw)
	"Image" to "Dw Widget"
#define	S_TOP(html)   (html->stack->getRef(html->stack->size()-1))
	Top of the parsing stack.
#define	BUG_MSG(...)
	Add a bug-meter message.

Enumerations
enum	DilloHtmlDocumentType { DT_NONE , DT_UNRECOGNIZED , DT_HTML , DT_XHTML }
enum	DilloHtmlParseMode {   DILLO_HTML_PARSE_MODE_INIT = 0 , DILLO_HTML_PARSE_MODE_STASH , DILLO_HTML_PARSE_MODE_STASH_AND_BODY , DILLO_HTML_PARSE_MODE_VERBATIM ,   DILLO_HTML_PARSE_MODE_BODY , DILLO_HTML_PARSE_MODE_PRE }
enum	DilloHtmlTableMode { DILLO_HTML_TABLE_MODE_NONE , DILLO_HTML_TABLE_MODE_TOP , DILLO_HTML_TABLE_MODE_TR , DILLO_HTML_TABLE_MODE_TD }
enum	DilloHtmlTableBorderMode { DILLO_HTML_TABLE_BORDER_SEPARATE , DILLO_HTML_TABLE_BORDER_COLLAPSE }
enum	DilloHtmlListMode { HTML_LIST_NONE , HTML_LIST_UNORDERED , HTML_LIST_ORDERED }
enum	DilloHtmlProcessingState {   IN_NONE = 0 , IN_HTML = 1 << 0 , IN_HEAD = 1 << 1 , IN_BODY = 1 << 2 ,   IN_FORM = 1 << 3 , IN_SELECT = 1 << 4 , IN_OPTION = 1 << 5 , IN_OPTGROUP = 1 << 6 ,   IN_TEXTAREA = 1 << 7 , IN_BUTTON = 1 << 8 , IN_MAP = 1 << 9 , IN_PRE = 1 << 10 ,   IN_LI = 1 << 11 , IN_MEDIA = 1 << 12 , IN_META_HACK = 1 << 13 , IN_A = 1 << 14 ,   IN_EOF = 1 << 15 }

Functions
int	a_Html_tag_index (const char *tag)
	Get 'tag' index.
const char *	a_Html_get_attr (DilloHtml *html, const char *tag, int tagsize, const char *attrname)
	Call Html_get_attr2 telling it to parse entities and strip the result.
char *	a_Html_get_attr_wdef (DilloHtml *html, const char *tag, int tagsize, const char *attrname, const char *def)
	"a_Html_get_attr with default" Call a_Html_get_attr() and dStrdup() the returned string.
DilloUrl *	a_Html_url_new (DilloHtml *html, const char *url_str, const char *base_url, int use_base_url)
	Wrapper for a_Url_new that adds an error detection message.
void	a_Html_common_image_attrs (DilloHtml *html, const char *tag, int tagsize)
	Read image-associated tag attributes and create new image.
DilloImage *	a_Html_image_new (DilloHtml *html, const char *tag, int tagsize)
char *	a_Html_parse_entities (DilloHtml *html, const char *token, int toksize)
	Parse all the entities in a token.
void	a_Html_pop_tag (DilloHtml *html, int TagIdx)
void	a_Html_stash_init (DilloHtml *html)
	Initialize the stash buffer.
int32_t	a_Html_color_parse (DilloHtml *html, const char *str, int32_t default_color)
	Parse a color attribute.
CssLength	a_Html_parse_length (DilloHtml *html, const char *attr)
	Returns a length or a percentage, or UNDEF_LENGTH in case of an error, or if attr is NULL.
void	a_Html_tag_set_align_attr (DilloHtml *html, const char *tag, int tagsize)
	Evaluates the ALIGN attribute (left|center|right|justify) and sets the style at the top of the stack.
bool	a_Html_tag_set_valign_attr (DilloHtml *html, const char *tag, int tagsize)
	Evaluates the VALIGN attribute (top|bottom|middle|baseline) and sets the style in style_attrs.
void	a_Html_load_stylesheet (DilloHtml *html, DilloUrl *url)
	Tell cache to retrieve a stylesheet.
bool	a_Html_should_display (DilloHtml *html)

Macro Definition Documentation

BUG_MSG

#define BUG_MSG

(

...

)

Value:

   D_STMT_START {                                  \
         html->bugMessage(__VA_ARGS__);            \
   } D_STMT_END

Add a bug-meter message.

Definition at line 45 of file html_common.hh.

HT2LT

#define HT2LT

(

html

)

((Layout*)html->bw->render_layout)

"html struct" to "Layout"

Definition at line 38 of file html_common.hh.

HT2TB

#define HT2TB

(

html

)

((Textblock*)(html->dw))

"html struct" to Textblock

Definition at line 36 of file html_common.hh.

IM2DW

#define IM2DW

(

Image

)

((Widget*)Image->dw)

"Image" to "Dw Widget"

Definition at line 40 of file html_common.hh.

S_TOP

#define S_TOP

(

html

)

(html->stack->getRef(html->stack->size()-1))

Top of the parsing stack.

Definition at line 42 of file html_common.hh.

Enumeration Type Documentation

DilloHtmlDocumentType

enum DilloHtmlDocumentType

Enumerator
DT_NONE
DT_UNRECOGNIZED
DT_HTML
DT_XHTML

Definition at line 55 of file html_common.hh.

DilloHtmlListMode

enum DilloHtmlListMode

Enumerator
HTML_LIST_NONE
HTML_LIST_UNORDERED
HTML_LIST_ORDERED

Definition at line 83 of file html_common.hh.

DilloHtmlParseMode

enum DilloHtmlParseMode

Enumerator
DILLO_HTML_PARSE_MODE_INIT
DILLO_HTML_PARSE_MODE_STASH
DILLO_HTML_PARSE_MODE_STASH_AND_BODY
DILLO_HTML_PARSE_MODE_VERBATIM
DILLO_HTML_PARSE_MODE_BODY
DILLO_HTML_PARSE_MODE_PRE

Definition at line 62 of file html_common.hh.

DilloHtmlProcessingState

enum DilloHtmlProcessingState

Enumerator
IN_NONE
IN_HTML
IN_HEAD
IN_BODY
IN_FORM
IN_SELECT
IN_OPTION
IN_OPTGROUP
IN_TEXTAREA
IN_BUTTON
IN_MAP
IN_PRE
IN_LI
IN_MEDIA
IN_META_HACK
IN_A
IN_EOF

Definition at line 89 of file html_common.hh.

DilloHtmlTableBorderMode

enum DilloHtmlTableBorderMode

Enumerator
DILLO_HTML_TABLE_BORDER_SEPARATE
DILLO_HTML_TABLE_BORDER_COLLAPSE

Definition at line 78 of file html_common.hh.

DilloHtmlTableMode

enum DilloHtmlTableMode

Enumerator
DILLO_HTML_TABLE_MODE_NONE	no table at all
DILLO_HTML_TABLE_MODE_TOP	outside of
DILLO_HTML_TABLE_MODE_TR	inside of , outside of
DILLO_HTML_TABLE_MODE_TD	inside of

Definition at line 71 of file html_common.hh.

Function Documentation

a_Html_color_parse()

int32_t a_Html_color_parse	(	DilloHtml *	html,
		const char *	str,
		int32_t	default_color
	)

Parse a color attribute.

Return value: parsed color, or default_color (+ error msg) on error.

Definition at line 1468 of file html.cc.

References a_Color_parse(), and BUG_MSG.

Referenced by Html_tag_open_body(), Html_tag_open_font(), Html_tag_open_table(), Html_tag_open_table_cell(), and Html_tag_open_tr().

a_Html_common_image_attrs()

void a_Html_common_image_attrs	(	DilloHtml *	html,
		const char *	tag,
		int	tagsize
	)

Read image-associated tag attributes and create new image.

Definition at line 2073 of file html.cc.

References a_Html_get_attr(), a_Html_get_attr_wdef(), a_Html_parse_length(), CSS_CREATE_LENGTH(), CSS_LENGTH_TYPE(), CSS_LENGTH_TYPE_AUTO, CSS_LENGTH_TYPE_PX, CSS_LENGTH_VALUE(), CSS_PROPERTY_HEIGHT, CSS_PROPERTY_WIDTH, CSS_TYPE_INTEGER, CSS_TYPE_LENGTH_PERCENTAGE, CSS_TYPE_STRING, dFree(), IMAGE_MAX_AREA, DilloHtml::images, MSG, prefs, PROPERTY_X_IMG, PROPERTY_X_TOOLTIP, StyleEngine::setNonCssHint(), DilloPrefs::show_tooltip, lout::misc::SimpleVector< T >::size(), and DilloHtml::styleEngine.

Referenced by Html_input_image(), and Html_tag_open_img().

a_Html_get_attr()

const char * a_Html_get_attr	(	DilloHtml *	html,
		const char *	tag,
		int	tagsize,
		const char *	attrname
	)

Call Html_get_attr2 telling it to parse entities and strip the result.

Definition at line 4288 of file html.cc.

References Html_get_attr2(), HTML_LeftTrim, HTML_ParseEntities, and HTML_RightTrim.

Referenced by a_Html_common_image_attrs(), a_Html_get_attr_wdef(), a_Html_image_new(), a_Html_tag_set_align_attr(), a_Html_tag_set_valign_attr(), Html_parse_common_attrs(), Html_tag_content_area(), Html_tag_content_embed(), Html_tag_content_frame(), Html_tag_content_img(), Html_tag_content_map(), Html_tag_content_object(), Html_tag_content_source(), Html_tag_content_table_cell(), Html_tag_content_textarea(), Html_tag_open_a(), Html_tag_open_abbr(), Html_tag_open_audio(), Html_tag_open_base(), Html_tag_open_body(), Html_tag_open_button(), Html_tag_open_embed(), Html_tag_open_font(), Html_tag_open_form(), Html_tag_open_frame(), Html_tag_open_hr(), Html_tag_open_img(), Html_tag_open_input(), Html_tag_open_isindex(), Html_tag_open_li(), Html_tag_open_link(), Html_tag_open_meta(), Html_tag_open_object(), Html_tag_open_ol(), Html_tag_open_optgroup(), Html_tag_open_option(), Html_tag_open_sectioning(), Html_tag_open_select(), Html_tag_open_source(), Html_tag_open_span(), Html_tag_open_style(), Html_tag_open_table(), Html_tag_open_table_cell(), Html_tag_open_tr(), Html_tag_open_ul(), and Html_tag_open_video().

a_Html_get_attr_wdef()

char * a_Html_get_attr_wdef	(	DilloHtml *	html,
		const char *	tag,
		int	tagsize,
		const char *	attrname,
		const char *	def
	)

"a_Html_get_attr with default" Call a_Html_get_attr() and dStrdup() the returned string.

If the attribute isn't found a copy of 'def' is returned.

Definition at line 4302 of file html.cc.

References a_Html_get_attr(), and dStrdup().

Referenced by a_Html_common_image_attrs(), a_Html_image_new(), Html_tag_open_button(), Html_tag_open_hr(), Html_tag_open_input(), Html_tag_open_optgroup(), Html_tag_open_option(), and Html_tag_open_select().

a_Html_image_new()

DilloImage * a_Html_image_new	(	DilloHtml *	html,
		const char *	tag,
		int	tagsize
	)

Definition at line 2143 of file html.cc.

References a_Capi_get_flags_with_redirection(), a_Html_get_attr(), a_Html_get_attr_wdef(), a_Html_url_new(), a_Image_new(), a_Image_ref(), a_Image_unref(), DilloHtml::bw, CAPI_IsCached, dFree(), dNew, dStrAsciiCasecmp(), dStrdup(), DilloHtml::dw, dw::core::Widget::getBgColor(), dw::core::style::ColorAttrs::getColor(), dw::core::Widget::getFgColor(), dw::core::Widget::getLayout(), HT2TB, Html_load_image(), DilloHtmlImage::image, image, DilloHtml::images, lout::misc::SimpleVector< T >::increase(), DilloPrefs::load_images, DilloHtml::page_url, prefs, lout::misc::SimpleVector< T >::set(), lout::misc::SimpleVector< T >::size(), DilloHtmlImage::url, and URL_SCHEME.

Referenced by Html_input_image(), and Html_tag_content_img().

a_Html_load_stylesheet()

void a_Html_load_stylesheet	(	DilloHtml *	html,
		DilloUrl *	url
	)

Tell cache to retrieve a stylesheet.

Definition at line 3257 of file html.cc.

References _MSG, a_Bw_add_client(), a_Bw_add_url(), a_Capi_get_buf(), a_Capi_get_flags_with_redirection(), a_Capi_open_url(), a_Capi_set_content_type(), a_Capi_unref_buf(), a_Web_new(), DilloHtml::bw, CAPI_Completed, DilloHtml::content_type, CSS_ORIGIN_AUTHOR, dFree(), dReturn_if, dStrconcat(), _DilloWeb::flags, Html_css_load_callback(), DilloPrefs::load_stylesheets, MSG, BrowserWindow::NumPendingStyleSheets, DilloHtml::page_url, StyleEngine::parse(), prefs, DilloHtml::styleEngine, URL_STR, and WEB_Stylesheet.

Referenced by Html_tag_close_head(), and CssParser::parseImport().

a_Html_parse_entities()

char * a_Html_parse_entities	(	DilloHtml *	html,
		const char *	token,
		int	toksize
	)

Parse all the entities in a token.

Takes the token and its length, and returns a newly allocated string.

Definition at line 1080 of file html.cc.

References dStr_append(), dStr_append_c(), dStr_append_l(), dStr_free(), dStr_sized_new(), dStrndup(), FALSE, Html_parse_entity(), and Dstr::str.

Referenced by Html_process_word(), and Html_tag_close_textarea().

a_Html_parse_length()

CssLength a_Html_parse_length	(	DilloHtml *	html,
		const char *	attr
	)

Returns a length or a percentage, or UNDEF_LENGTH in case of an error, or if attr is NULL.

Definition at line 1443 of file html.cc.

References _MSG, BUG_MSG, CSS_CREATE_LENGTH(), CSS_LENGTH_TYPE(), CSS_LENGTH_TYPE_AUTO, CSS_LENGTH_TYPE_RELATIVE, CSS_LENGTH_VALUE(), and Html_parse_length_or_multi_length().

Referenced by a_Html_common_image_attrs(), Html_tag_open_hr(), Html_tag_open_table(), and Html_tag_open_table_cell().

a_Html_pop_tag()

void a_Html_pop_tag	(	DilloHtml *	html,
		int	TagIdx
	)

a_Html_should_display()

bool a_Html_should_display

(

DilloHtml *

html

)

Definition at line 4029 of file html.cc.

References dw::core::style::StyleAttrs::display, dw::core::style::DISPLAY_NONE, S_TOP, and DilloHtml::style().

Referenced by Html_input_image(), Html_tag_close_textarea(), Html_tag_content_textarea(), Html_tag_open_button(), Html_tag_open_form(), Html_tag_open_input(), Html_tag_open_isindex(), and Html_tag_open_select().

a_Html_stash_init()

void a_Html_stash_init

(

DilloHtml *

html

)

Initialize the stash buffer.

Definition at line 853 of file html.cc.

References DILLO_HTML_PARSE_MODE_STASH, dStr_truncate(), S_TOP, DilloHtml::Stash, and DilloHtml::StashSpace.

Referenced by Html_tag_content_textarea(), Html_tag_open_h(), Html_tag_open_option(), Html_tag_open_script(), Html_tag_open_select(), Html_tag_open_style(), and Html_tag_open_title().

a_Html_tag_index()

int a_Html_tag_index

(

const char *

tag

)

Get 'tag' index.

return -1 if tag is not handled yet

Definition at line 3620 of file html.cc.

References Html_tag_compare(), NTAGS, and Tags.

Referenced by Html_check_html5_obsolete(), Html_process_tag(), Html_table_get_border_model(), Html_table_set_border_model(), Html_tag_pre_excludes(), Html_test_section(), CssParser::parseSimpleSelector(), and StyleEngine::startElement().

a_Html_tag_set_align_attr()

void a_Html_tag_set_align_attr	(	DilloHtml *	html,
		const char *	tag,
		int	tagsize
	)

Evaluates the ALIGN attribute (left|center|right|justify) and sets the style at the top of the stack.

Definition at line 318 of file html.cc.

References a_Html_get_attr(), BUG_MSG, CSS_PROPERTY_TEXT_ALIGN, CSS_TYPE_ENUM, DilloHtml::DocType, DilloHtml::DocTypeVersion, dStrAsciiCasecmp(), DT_HTML, StyleEngine::setNonCssHint(), DilloHtml::styleEngine, dw::core::style::TEXT_ALIGN_CENTER, dw::core::style::TEXT_ALIGN_JUSTIFY, dw::core::style::TEXT_ALIGN_LEFT, dw::core::style::TEXT_ALIGN_RIGHT, and dw::core::style::TEXT_ALIGN_STRING.

Referenced by Html_tag_open_div(), Html_tag_open_h(), Html_tag_open_hr(), Html_tag_open_p(), Html_tag_open_table_cell(), and Html_tag_open_tr().

a_Html_tag_set_valign_attr()

bool a_Html_tag_set_valign_attr	(	DilloHtml *	html,
		const char *	tag,
		int	tagsize
	)

Evaluates the VALIGN attribute (top|bottom|middle|baseline) and sets the style in style_attrs.

Returns true when set.

Definition at line 363 of file html.cc.

References a_Html_get_attr(), BUG_MSG, CSS_PROPERTY_VERTICAL_ALIGN, CSS_TYPE_ENUM, DilloHtml::DocType, DilloHtml::DocTypeVersion, dStrAsciiCasecmp(), DT_HTML, StyleEngine::setNonCssHint(), DilloHtml::styleEngine, dw::core::style::VALIGN_BASELINE, dw::core::style::VALIGN_BOTTOM, dw::core::style::VALIGN_MIDDLE, and dw::core::style::VALIGN_TOP.

Referenced by Html_tag_open_table_cell(), and Html_tag_open_tr().

a_Html_url_new()

DilloUrl * a_Html_url_new	(	DilloHtml *	html,
		const char *	url_str,
		const char *	base_url,
		int	use_base_url
	)

Wrapper for a_Url_new that adds an error detection message.

If use_base_url is TRUE, it uses base_url. Otherwise it uses html->base_url.

Definition at line 172 of file html.cc.

References a_Url_new(), DilloHtml::base_url, BUG_MSG, MSG, URL_ILLEGAL_CHARS, URL_ILLEGAL_CHARS_SPC, and URL_STR_.

Referenced by a_Html_image_new(), Html_tag_content_area(), Html_tag_content_img(), Html_tag_content_map(), Html_tag_open_a(), Html_tag_open_audio(), Html_tag_open_base(), Html_tag_open_embed(), Html_tag_open_form(), Html_tag_open_frame(), Html_tag_open_isindex(), Html_tag_open_link(), Html_tag_open_meta(), Html_tag_open_object(), Html_tag_open_source(), Html_tag_open_video(), and CssParser::parseImport().