📄 html.c
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}/* * Handle open SCRIPT * initializes stash, where the embedded code will be stored. * MODE_VERBATIM is used because MODE_STASH catches entities. */static void Html_tag_open_script(DilloHtml *html, char *tag, int tagsize){ Html_stash_init(html); html->stack[html->stack_top].parse_mode = DILLO_HTML_PARSE_MODE_VERBATIM;}/* * Handle close SCRIPT */static void Html_tag_close_script(DilloHtml *html, int TagIdx){ /* eventually the stash will be sent to an interpreter for parsing */ Html_pop_tag(html, TagIdx);}/* * Handle open STYLE * store the contents to the stash where (in the future) the style * sheet interpreter can get it. */static void Html_tag_open_style(DilloHtml *html, char *tag, int tagsize){ Html_stash_init(html); html->stack[html->stack_top].parse_mode = DILLO_HTML_PARSE_MODE_VERBATIM;}/* * Handle close STYLE */static void Html_tag_close_style(DilloHtml *html, int TagIdx){ /* eventually the stash will be sent to an interpreter for parsing */ Html_pop_tag(html, TagIdx);}/* * <BODY> */static void Html_tag_open_body(DilloHtml *html, char *tag, int tagsize){ const char *attrbuf; DwPage *page; DwStyle style_attrs, *style; gint32 color; if (!(html->InFlags & IN_BODY)) html->InFlags |= IN_BODY; ++html->Num_BODY; if (html->Num_BODY > 1) { MSG_HTML("BODY element was already open\n"); } if (html->InFlags & IN_HEAD) { /* if we're here, it's bad XHTML, no need to recover */ MSG_HTML("unclosed HEAD element\n"); } page = DW_PAGE (html->dw); /* HEAD to BODY section transition was done by Html_test_body_section() */ if (!prefs.force_my_colors) { if ((attrbuf = Html_get_attr(html, tag, tagsize, "bgcolor"))) { color = Html_color_parse(html, attrbuf, prefs.bg_color); if ( (color == 0xffffff && !prefs.allow_white_bg) || prefs.force_my_colors ) color = prefs.bg_color; style_attrs = *html->dw->style; style_attrs.background_color = a_Dw_style_color_new (color, html->bw->main_window); style = a_Dw_style_new (&style_attrs, html->bw->main_window); a_Dw_widget_set_style (html->dw, style); a_Dw_style_unref (style); html->stack[html->stack_top].current_bg_color = color; } if ((attrbuf = Html_get_attr(html, tag, tagsize, "text"))) { color = Html_color_parse(html, attrbuf, prefs.text_color); HTML_SET_TOP_ATTR (html, color, a_Dw_style_color_new (color, html->bw->main_window)); } if ((attrbuf = Html_get_attr(html, tag, tagsize, "link"))) html->linkblock->link_color = Html_color_parse(html, attrbuf, prefs.link_color); if ((attrbuf = Html_get_attr(html, tag, tagsize, "vlink"))) html->linkblock->visited_color = Html_color_parse(html, attrbuf, prefs.visited_color); if (prefs.contrast_visited_color && html->linkblock->link_color == html->linkblock->visited_color) { /* get a color that has a "safe distance" from text, link and bg */ html->linkblock->visited_color = a_Color_vc(html->stack[html->stack_top].style->color->color_val, html->linkblock->link_color, html->stack[html->stack_top].current_bg_color); } } html->stack[html->stack_top].parse_mode = DILLO_HTML_PARSE_MODE_BODY;}/* * BODY */static void Html_tag_close_body(DilloHtml *html, gint TagIdx){ html->InFlags &= ~IN_BODY; Html_pop_tag(html, TagIdx);}/* * <P> * todo: what's the point between adding the parbreak before and * after the push? * todo: <P> should be closed upon openning a 'block' element. */static void Html_tag_open_p(DilloHtml *html, char *tag, int tagsize){ a_Dw_page_add_parbreak(DW_PAGE (html->dw), 9, html->stack[(html)->stack_top].style); Html_tag_set_align_attr (html, tag, tagsize);}/* * <TABLE> */static void Html_tag_open_table(DilloHtml *html, char *tag, int tagsize){#ifdef USE_TABLES DwWidget *table; DwStyle style_attrs, *tstyle, *old_style; const char *attrbuf; int border = 0, cellspacing = 1, cellpadding = 2, bgcolor;#endif a_Dw_page_add_parbreak(DW_PAGE (html->dw), 0, html->stack[(html)->stack_top].style);#ifdef USE_TABLES if ((attrbuf = Html_get_attr(html, tag, tagsize, "border"))) border = isdigit(attrbuf[0]) ? strtol (attrbuf, NULL, 10) : 1; if ((attrbuf = Html_get_attr(html, tag, tagsize, "cellspacing"))) cellspacing = strtol (attrbuf, NULL, 10); if ((attrbuf = Html_get_attr(html, tag, tagsize, "cellpadding"))) cellpadding = strtol (attrbuf, NULL, 10); /* The style for the table */ style_attrs = *html->stack[html->stack_top].style; /* When dillo was started with the --debug-rendering option, there * is always a border around the table. */ if (dillo_dbg_rendering) a_Dw_style_box_set_val (&style_attrs.border_width, MIN (border, 1)); else a_Dw_style_box_set_val (&style_attrs.border_width, border); a_Dw_style_box_set_border_color (&style_attrs, a_Dw_style_shaded_color_new (html->stack[html->stack_top].current_bg_color, html->bw->main_window)); a_Dw_style_box_set_border_style (&style_attrs, DW_STYLE_BORDER_OUTSET); style_attrs.border_spacing = cellspacing; if ((attrbuf = Html_get_attr(html, tag, tagsize, "width"))) style_attrs.width = Html_parse_length (html, attrbuf); if ((attrbuf = Html_get_attr(html, tag, tagsize, "align"))) { if (strcasecmp (attrbuf, "left") == 0) style_attrs.text_align = DW_STYLE_TEXT_ALIGN_LEFT; else if (strcasecmp (attrbuf, "right") == 0) style_attrs.text_align = DW_STYLE_TEXT_ALIGN_RIGHT; else if (strcasecmp (attrbuf, "center") == 0) style_attrs.text_align = DW_STYLE_TEXT_ALIGN_CENTER; } if (!prefs.force_my_colors && (attrbuf = Html_get_attr(html, tag, tagsize, "bgcolor"))) { bgcolor = Html_color_parse(html, attrbuf, -1); if (bgcolor != -1) { if (bgcolor == 0xffffff && !prefs.allow_white_bg) bgcolor = prefs.bg_color; html->stack[html->stack_top].current_bg_color = bgcolor; style_attrs.background_color = a_Dw_style_color_new (bgcolor, html->bw->main_window); } } tstyle = a_Dw_style_new (&style_attrs, html->bw->main_window); /* The style for the cells */ style_attrs = *html->stack[html->stack_top].style; /* When dillo was started with the --debug-rendering option, there * is always a border around the cells. */ if (dillo_dbg_rendering) a_Dw_style_box_set_val (&style_attrs.border_width, 1); else a_Dw_style_box_set_val (&style_attrs.border_width, border ? 1 : 0); a_Dw_style_box_set_val (&style_attrs.padding, cellpadding); a_Dw_style_box_set_border_color (&style_attrs, tstyle->border_color.top); a_Dw_style_box_set_border_style (&style_attrs, DW_STYLE_BORDER_INSET); old_style = html->stack[html->stack_top].table_cell_style; html->stack[html->stack_top].table_cell_style = a_Dw_style_new (&style_attrs, html->bw->main_window); if (old_style) a_Dw_style_unref (old_style); table = a_Dw_table_new (); a_Dw_page_add_widget (DW_PAGE (html->dw), table, tstyle); a_Dw_style_unref (tstyle); html->stack[html->stack_top].table_mode = DILLO_HTML_TABLE_MODE_TOP; html->stack[html->stack_top].cell_text_align_set = FALSE; html->stack[html->stack_top].table = table;#endif}/* * used by <TD> and <TH> */static void Html_tag_open_table_cell(DilloHtml *html, char *tag, int tagsize, DwStyleTextAlignType text_align){#ifdef USE_TABLES DwWidget *col_page; int colspan = 1, rowspan = 1; const char *attrbuf; DwStyle style_attrs, *style, *old_style; gint32 bgcolor; gboolean new_style; switch (html->stack[html->stack_top].table_mode) { case DILLO_HTML_TABLE_MODE_NONE: MSG_HTML("<td> or <th> outside <table>\n"); return; case DILLO_HTML_TABLE_MODE_TOP: MSG_HTML("<td> or <th> outside <tr>\n"); /* a_Dw_table_add_cell takes care that dillo does not crash. */ /* continues */ case DILLO_HTML_TABLE_MODE_TR: case DILLO_HTML_TABLE_MODE_TD: /* todo: check errors? */ if ((attrbuf = Html_get_attr(html, tag, tagsize, "colspan"))) colspan = strtol (attrbuf, NULL, 10); if ((attrbuf = Html_get_attr(html, tag, tagsize, "rowspan"))) rowspan = strtol (attrbuf, NULL, 10); /* text style */ old_style = html->stack[html->stack_top].style; style_attrs = *old_style; if (!html->stack[html->stack_top].cell_text_align_set) style_attrs.text_align = text_align; if (Html_get_attr(html, tag, tagsize, "nowrap")) style_attrs.white_space = DW_STYLE_WHITE_SPACE_NOWRAP; else style_attrs.white_space = DW_STYLE_WHITE_SPACE_NORMAL; html->stack[html->stack_top].style = a_Dw_style_new (&style_attrs, html->bw->main_window); a_Dw_style_unref (old_style); Html_tag_set_align_attr (html, tag, tagsize); /* cell style */ style_attrs = *html->stack[html->stack_top].table_cell_style; new_style = FALSE; if ((attrbuf = Html_get_attr(html, tag, tagsize, "width"))) { style_attrs.width = Html_parse_length (html, attrbuf); new_style = TRUE; } if (Html_tag_set_valign_attr (html, tag, tagsize, &style_attrs)) new_style = TRUE; if (!prefs.force_my_colors && (attrbuf = Html_get_attr(html, tag, tagsize, "bgcolor"))) { bgcolor = Html_color_parse(html, attrbuf, -1); if (bgcolor != -1) { if (bgcolor == 0xffffff && !prefs.allow_white_bg) bgcolor = prefs.bg_color; new_style = TRUE; style_attrs.background_color = a_Dw_style_color_new (bgcolor, html->bw->main_window); html->stack[html->stack_top].current_bg_color = bgcolor; } } if (html->stack[html->stack_top].style->text_align == DW_STYLE_TEXT_ALIGN_STRING) col_page = a_Dw_table_cell_new (a_Dw_table_get_cell_ref (DW_TABLE (html->stack[html->stack_top].table))); else col_page = a_Dw_page_new (); if (new_style) { style = a_Dw_style_new (&style_attrs, html->bw->main_window); a_Dw_widget_set_style (col_page, style); a_Dw_style_unref (style); } else a_Dw_widget_set_style (col_page, html->stack[html->stack_top].table_cell_style); a_Dw_table_add_cell (DW_TABLE (html->stack[html->stack_top].table), col_page, colspan, rowspan); html->stack[html->stack_top].page = html->dw = col_page; /* Handle it when the user clicks on a link */ Html_connect_signals(html, G_OBJECT(col_page)); break; default: /* compiler happiness */ break; } html->stack[html->stack_top].table_mode = DILLO_HTML_TABLE_MODE_TD;#endif}/* * <TD> */static void Html_tag_open_td(DilloHtml *html, char *tag, int tagsize){#if 0 Html_cleanup_tag(html, "td>"); Html_cleanup_tag(html, "th>"); Html_push_tag(html, tag, tagsize);#endif Html_tag_open_table_cell (html, tag, tagsize, DW_STYLE_TEXT_ALIGN_LEFT);}/* * <TH> */static void Html_tag_open_th(DilloHtml *html, char *tag, int tagsize){#if 0 Html_cleanup_tag(html, "td>"); Html_cleanup_tag(html, "th>"); Html_push_tag(html, tag, tagsize);#endif Html_set_top_font(html, NULL, 0, 1, 1); Html_tag_open_table_cell (html, tag, tagsize, DW_STYLE_TEXT_ALIGN_CENTER);}/* * <TR> */static void Html_tag_open_tr(DilloHtml *html, char *tag, int tagsize){ const char *attrbuf; DwStyle style_attrs, *style, *old_style; guint32 bgcolor;#if 0 Html_cleanup_tag(html, "td>"); Html_cleanup_tag(html, "th>"); Html_cleanup_tag(html, "tr>"); Html_push_tag(html, tag, tagsize);#endif#ifdef USE_TABLES switch (html->stack[html->stack_top].table_mode) { case DILLO_HTML_TABLE_MODE_NONE: _MSG("Invalid HTML syntax: <tr> outside <table>\n"); return; case DILLO_HTML_TABLE_MODE_TOP: case DILLO_HTML_TABLE_MODE_TR: case DILLO_HTML_TABLE_MODE_TD: style = NULL; if (!prefs.force_my_colors && (attrbuf = Html_get_attr(html, tag, tagsize, "bgcolor"))) { bgcolor = Html_color_parse(html, attrbuf, -1); if (bgcolor != -1) { if (bgcolor == 0xffffff && !prefs.allow_white_bg) bgcolor = prefs.bg_color; style_attrs = *html->stack[html->stack_top].style; style_attrs.background_color = a_Dw_style_color_new (bgcolor, html->bw->main_window); style = a_Dw_style_new (&style_attrs, html->bw->main_window); html->stack[html->stack_top].current_bg_color = bgcolor; } } a_Dw_table_add_row (DW_TABLE (html->stack[html->stack_top].table), style); if (style) a_Dw_style_unref (style); ⌨️ 快捷键说明
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