, outside of | */
DILLO_HTML_TABLE_MODE_TD /* inside of | */
} DilloHtmlTableMode;
typedef enum {
HTML_LIST_NONE,
HTML_LIST_UNORDERED,
HTML_LIST_ORDERED
} DilloHtmlListMode;
typedef enum {
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_TEXTAREA = 1 << 6,
IN_MAP = 1 << 7,
IN_PRE = 1 << 8,
IN_BUTTON = 1 << 9,
IN_LI = 1 << 10,
} DilloHtmlProcessingState;
/*
* Data Structures
*/
struct _DilloLinkImage {
DilloUrl *url;
DilloImage *image;
};
struct _DilloHtmlState {
// dw::core::style::Style *style, *table_cell_style;
dw::core::style::Style *table_cell_style;
DilloHtmlParseMode parse_mode;
DilloHtmlTableMode table_mode;
bool cell_text_align_set;
DilloHtmlListMode list_type;
int list_number;
/* TagInfo index for the tag that's being processed */
int tag_idx;
dw::core::Widget *textblock, *table;
/* This is used to align list items (especially in enumerated lists) */
dw::core::Widget *ref_list_item;
/* This makes image processing faster than a function
a_Dw_widget_get_background_color. */
int32_t current_bg_color;
/* This is used for list items etc; if it is set to TRUE, breaks
have to be "handed over" (see Html_add_indented and
Html_eventually_pop_dw). */
bool hand_over_break;
};
/*
* Classes
*/
class DilloHtml {
private:
class HtmlLinkReceiver: public dw::core::Widget::LinkReceiver {
public:
DilloHtml *html;
bool enter (dw::core::Widget *widget, int link, int img, int x, int y);
bool press (dw::core::Widget *widget, int link, int img, int x, int y,
dw::core::EventButton *event);
bool click (dw::core::Widget *widget, int link, int img, int x, int y,
dw::core::EventButton *event);
};
HtmlLinkReceiver linkReceiver;
public: //BUG: for now everything is public
BrowserWindow *bw;
DilloUrl *page_url, *base_url;
dw::core::Widget *dw; /* this is duplicated in the stack */
/* -------------------------------------------------------------------*/
/* Variables required at parsing time */
/* -------------------------------------------------------------------*/
size_t Buf_Consumed; /* amount of source from cache consumed */
char *Start_Buf;
int Start_Ofs;
char *content_type, *charset;
bool stop_parser;
size_t CurrTagOfs;
size_t OldTagOfs, OldTagLine;
DilloHtmlDocumentType DocType; /* as given by DOCTYPE tag */
float DocTypeVersion; /* HTML or XHTML version number */
lout::misc::SimpleVector *stack;
StyleEngine *styleEngine;
int InFlags; /* tracks which elements we are in */
Dstr *Stash;
bool StashSpace;
int pre_column; /* current column, used in PRE tags with tabs */
bool PreFirstChar; /* used to skip the first CR or CRLF in PRE tags */
bool PrevWasCR; /* Flag to help parsing of "\r\n" in PRE tags */
bool PrevWasOpenTag; /* Flag to help deferred parsing of white space */
bool PrevWasSPC; /* Flag to help handling collapsing white space */
bool InVisitedLink; /* used to 'contrast_visited_colors' */
bool ReqTagClose; /* Flag to help handling bad-formed HTML */
bool CloseOneTag; /* Flag to help Html_tag_cleanup_at_close() */
bool WordAfterLI; /* Flag to help ignoring the 1st after */
bool TagSoup; /* Flag to enable the parser's cleanup functions */
char *NameVal; /* used for validation of "NAME" and "ID" in */
/* element counters: used for validation purposes */
uchar_t Num_HTML, Num_HEAD, Num_BODY, Num_TITLE;
Dstr *attr_data; /* Buffer for attribute value */
/* -------------------------------------------------------------------*/
/* Variables required after parsing (for page functionality) */
/* -------------------------------------------------------------------*/
lout::misc::SimpleVector *forms;
lout::misc::SimpleVector *inputs_outside_form;
lout::misc::SimpleVector *links;
lout::misc::SimpleVector *images;
dw::ImageMapsList maps;
int32_t link_color;
int32_t visited_color;
private:
bool parse_finished;
void freeParseData();
void initDw(); /* Used by the constructor */
public:
DilloHtml(BrowserWindow *bw, const DilloUrl *url, const char *content_type);
~DilloHtml();
void bugMessage(const char *format, ... );
void connectSignals(dw::core::Widget *dw);
void write(char *Buf, int BufSize, int Eof);
int getCurTagLineNumber();
void finishParsing(int ClientKey);
int formNew(DilloHtmlMethod method, const DilloUrl *action,
DilloHtmlEnc enc, const char *charset);
DilloHtmlForm *getCurrentForm ();
bool_t unloadedImages();
void loadImages (const DilloUrl *pattern);
};
/*
* Parser functions
*/
int a_Html_tag_index(const char *tag);
const char *a_Html_get_attr(DilloHtml *html,
const char *tag,
int tagsize,
const char *attrname);
char *a_Html_get_attr_wdef(DilloHtml *html,
const char *tag,
int tagsize,
const char *attrname,
const char *def);
DilloUrl *a_Html_url_new(DilloHtml *html,
const char *url_str, const char *base_url,
int use_base_url);
DilloImage *a_Html_add_new_image(DilloHtml *html, const char *tag,
int tagsize, DilloUrl *url,
dw::core::style::StyleAttrs *style_attrs,
bool add);
char *a_Html_parse_entities(DilloHtml *html, const char *token, int toksize);
void a_Html_pop_tag(DilloHtml *html, int TagIdx);
void a_Html_stash_init(DilloHtml *html);
int32_t a_Html_color_parse(DilloHtml *html,
const char *subtag, int32_t default_color);
dw::core::style::Length a_Html_parse_length (DilloHtml *html,
const char *attr);
void a_Html_tag_set_align_attr(DilloHtml *html,
const char *tag, int tagsize);
bool a_Html_tag_set_valign_attr(DilloHtml *html,
const char *tag, int tagsize,
dw::core::style::StyleAttrs *style_attrs);
void a_Html_set_top_font(DilloHtml *html, const char *name, int size,
int BI, int BImask);
#endif /* __HTML_COMMON_HH__ */
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