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applied HTML improvements from Nick Kew, allowing to do more checking to
* HTMLparser.c include/libxml/HTMLparser.h: applied HTML improvements from Nick Kew, allowing to do more checking to HTML elements and attributes. Daniel
This commit is contained in:
Daniel Veillard
parent
4287c57a0e
commit
930dfb6324
@ -1,3 +1,9 @@
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Wed Feb 5 11:09:29 CET 2003 Daniel Veillard <daniel@veillard.com>
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* HTMLparser.c include/libxml/HTMLparser.h: applied HTML
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improvements from Nick Kew, allowing to do more checking
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to HTML elements and attributes.
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Tue Feb 4 23:47:06 CET 2003 Daniel Veillard <daniel@veillard.com>
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* xinclude.c: fixing bug #105137 about entities declaration
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611
HTMLparser.c
611
HTMLparser.c
@ -372,100 +372,417 @@ htmlSkipBlankChars(xmlParserCtxtPtr ctxt) {
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* 2 means that this element is valid only in the Frameset DTD
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*
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* Name,Start Tag,End Tag,Save End,Empty,Deprecated,DTD,inline,Description
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, subElements , impliedsubelt , Attributes, userdata
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*/
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/* Definitions and a couple of vars for HTML Elements */
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#define FONTSTYLE "tt", "i", "b", "u", "s", "strike", "big", "small"
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#define PHRASE "em", "strong", "dfn", "code", "samp", "kbd", "var", "cite", "abbr", "acronym"
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#define SPECIAL "a", "img", "applet", "object", "font", "basefont", "br", "script", "map", "q", "sub", "sup", "span", "bdo", "iframe"
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#define INLINE PCDATA FONTSTYLE PHRASE SPECIAL FORMCTRL
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#define BLOCK HEADING LIST "pre", "p", "dl", "div", "center", "noscript", "noframes", "blockquote", "form", "isindex", "hr", "table", "fieldset", "address"
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#define FORMCTRL "input", "select", "textarea", "label", "button"
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#define PCDATA
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#define HEADING "h1", "h2", "h3", "h4", "h5", "h6"
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#define LIST "ul", "ol", "dir", "menu"
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#define MODIFIER
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#define FLOW BLOCK,INLINE
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#define EMPTY NULL
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static const char* html_flow[] = { FLOW, NULL } ;
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static const char* html_inline[] = { INLINE, NULL } ;
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/* placeholders: elts with content but no subelements */
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static const char* html_pcdata[] = { NULL } ;
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#define html_cdata html_pcdata
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/* ... and for HTML Attributes */
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#define COREATTRS "id", "class", "style", "title"
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#define I18N "lang", "dir"
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#define EVENTS "onclick", "ondblclick", "onmousedown", "onmouseup", "onmouseover", "onmouseout", "onkeypress", "onkeydown", "onkeyup"
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#define ATTRS COREATTRS,I18N,EVENTS
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#define CELLHALIGN "align", "char", "charoff"
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#define CELLVALIGN "valign"
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static const char* html_attrs[] = { ATTRS, NULL } ;
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static const char* core_i18n_attrs[] = { COREATTRS, I18N, NULL } ;
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static const char* core_attrs[] = { COREATTRS, NULL } ;
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static const char* i18n_attrs[] = { I18N, NULL } ;
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/* Other declarations that should go inline ... */
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static const char* a_attrs[] = { ATTRS, "charset", "type", "name",
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"href", "hreflang", "rel", "rev", "accesskey", "shape", "coords",
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"tabindex", "onfocus", "onblur", NULL } ;
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static const char* target_attr[] = { "target", NULL } ;
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static const char* rows_cols_attr[] = { "rows", "cols", NULL } ;
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static const char* alt_attr[] = { "alt", NULL } ;
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static const char* src_alt_attrs[] = { "src", "alt", NULL } ;
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static const char* href_attrs[] = { "href", NULL } ;
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static const char* clear_attrs[] = { "clear", NULL } ;
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static const char* inline_p[] = { INLINE, "p", NULL } ;
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static const char* flow_param[] = { FLOW, "param", NULL } ;
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static const char* applet_attrs[] = { COREATTRS , "codebase",
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"archive", "alt", "name", "height", "width", "align",
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"hspace", "vspace", NULL } ;
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static const char* area_attrs[] = { "shape", "coords", "href", "nohref",
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"tabindex", "accesskey", "onfocus", "onblur", NULL } ;
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static const char* basefont_attrs[] =
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{ "id", "size", "color", "face", NULL } ;
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static const char* quote_attrs[] = { ATTRS, "cite", NULL } ;
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static const char* body_contents[] = { FLOW, "ins", "del", NULL } ;
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static const char* body_attrs[] = { ATTRS, "onload", "onunload", NULL } ;
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static const char* body_depr[] = { "background", "bgcolor", "text",
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"link", "vlink", "alink", NULL } ;
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static const char* button_attrs[] = { ATTRS, "name", "value", "type",
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"disabled", "tabindex", "accesskey", "onfocus", "onblur", NULL } ;
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static const char* col_attrs[] = { ATTRS, "span", "width", CELLHALIGN, CELLVALIGN, NULL } ;
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static const char* col_elt[] = { "col", NULL } ;
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static const char* edit_attrs[] = { ATTRS, "datetime", "cite", NULL } ;
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static const char* compact_attrs[] = { ATTRS, "compact", NULL } ;
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static const char* dl_contents[] = { "dt", "dd", NULL } ;
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static const char* compact_attr[] = { "compact", NULL } ;
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static const char* label_attr[] = { "label", NULL } ;
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static const char* fieldset_contents[] = { FLOW, "legend" } ;
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static const char* font_attrs[] = { COREATTRS, I18N, "size", "color", "face" , NULL } ;
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static const char* form_contents[] = { HEADING, LIST, INLINE, "pre", "p", "div", "center", "noscript", "noframes", "blockquote", "isindex", "hr", "table", "fieldset", "address", NULL } ;
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static const char* form_attrs[] = { ATTRS, "method", "enctype", "accept", "name", "onsubmit", "onreset", "accept-charset", NULL } ;
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static const char* frame_attrs[] = { COREATTRS, "longdesc", "name", "src", "frameborder", "marginwidth", "marginheight", "noresize", "scrolling" , NULL } ;
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static const char* frameset_attrs[] = { COREATTRS, "rows", "cols", "onload", "onunload", NULL } ;
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static const char* frameset_contents[] = { "frameset", "frame", "noframes", NULL } ;
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static const char* head_attrs[] = { I18N, "profile", NULL } ;
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static const char* head_contents[] = { "title", "isindex", "base", "script", "style", "meta", "link", "object", NULL } ;
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static const char* hr_depr[] = { "align", "noshade", "size", "width", NULL } ;
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static const char* version_attr[] = { "version", NULL } ;
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static const char* html_content[] = { "head", "body", "frameset", NULL } ;
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static const char* iframe_attrs[] = { COREATTRS, "longdesc", "name", "src", "frameborder", "marginwidth", "marginheight", "scrolling", "align", "height", "width", NULL } ;
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static const char* img_attrs[] = { ATTRS, "longdesc", "name", "height", "width", "usemap", "ismap", NULL } ;
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static const char* input_attrs[] = { ATTRS, "type", "name", "value", "checked", "disabled", "readonly", "size", "maxlength", "src", "alt", "usemap", "ismap", "tabindex", "accesskey", "onfocus", "onblur", "onselect", "onchange", "accept", NULL } ;
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static const char* prompt_attrs[] = { COREATTRS, I18N, "prompt", NULL } ;
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static const char* label_attrs[] = { ATTRS, "for", "accesskey", "onfocus", "onblur", NULL } ;
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static const char* legend_attrs[] = { ATTRS, "accesskey", NULL } ;
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static const char* align_attr[] = { "align", NULL } ;
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static const char* link_attrs[] = { ATTRS, "charset", "href", "hreflang", "type", "rel", "rev", "media", NULL } ;
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static const char* map_contents[] = { BLOCK, "area", NULL } ;
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static const char* name_attr[] = { "name", NULL } ;
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static const char* action_attr[] = { "action", NULL } ;
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static const char* blockli_elt[] = { BLOCK, "li", NULL } ;
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static const char* meta_attrs[] = { I18N, "http-equiv", "name", "scheme", NULL } ;
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static const char* content_attr[] = { "content", NULL } ;
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static const char* type_attr[] = { "type", NULL } ;
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static const char* noframes_content[] = { "body", FLOW MODIFIER, NULL } ;
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static const char* object_contents[] = { FLOW, "param", NULL } ;
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static const char* object_attrs[] = { ATTRS, "declare", "classid", "codebase", "data", "type", "codetype", "archive", "standby", "height", "width", "usemap", "name", "tabindex", NULL } ;
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static const char* object_depr[] = { "align", "border", "hspace", "vspace", NULL } ;
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static const char* ol_attrs[] = { "type", "compact", "start", NULL} ;
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static const char* option_elt[] = { "option", NULL } ;
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static const char* optgroup_attrs[] = { ATTRS, "disabled", NULL } ;
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static const char* option_attrs[] = { ATTRS, "disabled", "label", "selected", "value", NULL } ;
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static const char* param_attrs[] = { "id", "value", "valuetype", "type", NULL } ;
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static const char* width_attr[] = { "width", NULL } ;
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static const char* pre_content[] = { PHRASE, "tt", "i", "b", "u", "s", "strike", "a", "br", "script", "map", "q", "span", "bdo", "iframe", NULL } ;
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static const char* script_attrs[] = { "charset", "src", "defer", "event", "for", NULL } ;
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static const char* language_attr[] = { "language", NULL } ;
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static const char* select_content[] = { "optgroup", "option", NULL } ;
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static const char* select_attrs[] = { ATTRS, "name", "size", "multiple", "disabled", "tabindex", "onfocus", "onblur", "onchange", NULL } ;
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static const char* style_attrs[] = { I18N, "media", "title", NULL } ;
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static const char* table_attrs[] = { ATTRS "summary", "width", "border", "frame", "rules", "cellspacing", "cellpadding", "datapagesize", NULL } ;
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static const char* table_depr[] = { "align", "bgcolor", NULL } ;
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static const char* table_contents[] = { "caption", "col", "colgroup", "thead", "tfoot", "tbody", "tr", NULL} ;
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static const char* tr_elt[] = { "tr", NULL } ;
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static const char* talign_attrs[] = { ATTRS, CELLHALIGN, CELLVALIGN, NULL} ;
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static const char* th_td_depr[] = { "nowrap", "bgcolor", "width", "height", NULL } ;
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static const char* th_td_attr[] = { ATTRS, "abbr", "axis", "headers", "scope", "rowspan", "colspan", CELLHALIGN, CELLVALIGN, NULL } ;
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static const char* textarea_attrs[] = { ATTRS, "name", "disabled", "readonly", "tabindex", "accesskey", "onfocus", "onblur", "onselect", "onchange", NULL } ;
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static const char* tr_contents[] = { "th", "td", NULL } ;
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static const char* bgcolor_attr[] = { "bgcolor", NULL } ;
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static const char* li_elt[] = { "li", NULL } ;
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static const char* ul_depr[] = { "type", "compact", NULL} ;
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static const char* dir_attr[] = { "dir", NULL} ;
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#define DECL (const char**)
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static const htmlElemDesc
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html40ElementTable[] = {
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{ "a", 0, 0, 0, 0, 0, 0, 1, "anchor " },
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{ "abbr", 0, 0, 0, 0, 0, 0, 1, "abbreviated form" },
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{ "acronym", 0, 0, 0, 0, 0, 0, 1, "" },
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{ "address", 0, 0, 0, 0, 0, 0, 0, "information on author " },
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{ "applet", 0, 0, 0, 0, 1, 1, 2, "java applet " },
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{ "area", 0, 2, 2, 1, 0, 0, 0, "client-side image map area " },
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{ "b", 0, 3, 0, 0, 0, 0, 1, "bold text style" },
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{ "base", 0, 2, 2, 1, 0, 0, 0, "document base uri " },
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{ "basefont", 0, 2, 2, 1, 1, 1, 1, "base font size " },
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{ "bdo", 0, 0, 0, 0, 0, 0, 1, "i18n bidi over-ride " },
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{ "big", 0, 3, 0, 0, 0, 0, 1, "large text style" },
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{ "blockquote", 0, 0, 0, 0, 0, 0, 0, "long quotation " },
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{ "body", 1, 1, 0, 0, 0, 0, 0, "document body " },
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{ "br", 0, 2, 2, 1, 0, 0, 1, "forced line break " },
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{ "button", 0, 0, 0, 0, 0, 0, 2, "push button " },
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{ "caption", 0, 0, 0, 0, 0, 0, 0, "table caption " },
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{ "center", 0, 3, 0, 0, 1, 1, 0, "shorthand for div align=center " },
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{ "cite", 0, 0, 0, 0, 0, 0, 1, "citation" },
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{ "code", 0, 0, 0, 0, 0, 0, 1, "computer code fragment" },
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{ "col", 0, 2, 2, 1, 0, 0, 0, "table column " },
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{ "colgroup", 0, 1, 0, 0, 0, 0, 0, "table column group " },
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{ "dd", 0, 1, 0, 0, 0, 0, 0, "definition description " },
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{ "del", 0, 0, 0, 0, 0, 0, 2, "deleted text " },
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{ "dfn", 0, 0, 0, 0, 0, 0, 1, "instance definition" },
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{ "dir", 0, 0, 0, 0, 1, 1, 0, "directory list" },
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{ "div", 0, 0, 0, 0, 0, 0, 0, "generic language/style container"},
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{ "dl", 0, 0, 0, 0, 0, 0, 0, "definition list " },
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{ "dt", 0, 1, 0, 0, 0, 0, 0, "definition term " },
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{ "em", 0, 3, 0, 0, 0, 0, 1, "emphasis" },
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{ "fieldset", 0, 0, 0, 0, 0, 0, 0, "form control group " },
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{ "font", 0, 3, 0, 0, 1, 1, 1, "local change to font " },
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{ "form", 0, 0, 0, 0, 0, 0, 0, "interactive form " },
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{ "frame", 0, 2, 2, 1, 0, 2, 0, "subwindow " },
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{ "frameset", 0, 0, 0, 0, 0, 2, 0, "window subdivision" },
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{ "h1", 0, 0, 0, 0, 0, 0, 0, "heading " },
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{ "h2", 0, 0, 0, 0, 0, 0, 0, "heading " },
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{ "h3", 0, 0, 0, 0, 0, 0, 0, "heading " },
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{ "h4", 0, 0, 0, 0, 0, 0, 0, "heading " },
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{ "h5", 0, 0, 0, 0, 0, 0, 0, "heading " },
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{ "h6", 0, 0, 0, 0, 0, 0, 0, "heading " },
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{ "head", 1, 1, 0, 0, 0, 0, 0, "document head " },
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{ "hr", 0, 2, 2, 1, 0, 0, 0, "horizontal rule " },
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{ "html", 1, 1, 0, 0, 0, 0, 0, "document root element " },
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{ "i", 0, 3, 0, 0, 0, 0, 1, "italic text style" },
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{ "iframe", 0, 0, 0, 0, 0, 1, 2, "inline subwindow " },
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{ "img", 0, 2, 2, 1, 0, 0, 1, "embedded image " },
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{ "input", 0, 2, 2, 1, 0, 0, 1, "form control " },
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{ "ins", 0, 0, 0, 0, 0, 0, 2, "inserted text" },
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{ "isindex", 0, 2, 2, 1, 1, 1, 0, "single line prompt " },
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{ "kbd", 0, 0, 0, 0, 0, 0, 1, "text to be entered by the user" },
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{ "label", 0, 0, 0, 0, 0, 0, 1, "form field label text " },
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{ "legend", 0, 0, 0, 0, 0, 0, 0, "fieldset legend " },
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{ "li", 0, 1, 1, 0, 0, 0, 0, "list item " },
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{ "link", 0, 2, 2, 1, 0, 0, 0, "a media-independent link " },
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{ "map", 0, 0, 0, 0, 0, 0, 2, "client-side image map " },
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{ "menu", 0, 0, 0, 0, 1, 1, 0, "menu list " },
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{ "meta", 0, 2, 2, 1, 0, 0, 0, "generic metainformation " },
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{ "noframes", 0, 0, 0, 0, 0, 2, 0, "alternate content container for non frame-based rendering " },
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{ "noscript", 0, 0, 0, 0, 0, 0, 0, "alternate content container for non script-based rendering " },
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{ "object", 0, 0, 0, 0, 0, 0, 2, "generic embedded object " },
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{ "ol", 0, 0, 0, 0, 0, 0, 0, "ordered list " },
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{ "optgroup", 0, 0, 0, 0, 0, 0, 0, "option group " },
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{ "option", 0, 1, 0, 0, 0, 0, 0, "selectable choice " },
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{ "p", 0, 1, 0, 0, 0, 0, 0, "paragraph " },
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{ "param", 0, 2, 2, 1, 0, 0, 0, "named property value " },
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{ "pre", 0, 0, 0, 0, 0, 0, 0, "preformatted text " },
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{ "q", 0, 0, 0, 0, 0, 0, 1, "short inline quotation " },
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{ "s", 0, 3, 0, 0, 1, 1, 1, "strike-through text style" },
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{ "samp", 0, 0, 0, 0, 0, 0, 1, "sample program output, scripts, etc." },
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{ "script", 0, 0, 0, 0, 0, 0, 2, "script statements " },
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{ "select", 0, 0, 0, 0, 0, 0, 1, "option selector " },
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{ "small", 0, 3, 0, 0, 0, 0, 1, "small text style" },
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{ "span", 0, 0, 0, 0, 0, 0, 1, "generic language/style container " },
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{ "strike", 0, 3, 0, 0, 1, 1, 1, "strike-through text" },
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{ "strong", 0, 3, 0, 0, 0, 0, 1, "strong emphasis" },
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{ "style", 0, 0, 0, 0, 0, 0, 0, "style info " },
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{ "sub", 0, 3, 0, 0, 0, 0, 1, "subscript" },
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{ "sup", 0, 3, 0, 0, 0, 0, 1, "superscript " },
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{ "table", 0, 0, 0, 0, 0, 0, 0, " " },
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{ "tbody", 1, 0, 0, 0, 0, 0, 0, "table body " },
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{ "td", 0, 0, 0, 0, 0, 0, 0, "table data cell" },
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{ "textarea", 0, 0, 0, 0, 0, 0, 1, "multi-line text field " },
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{ "tfoot", 0, 1, 0, 0, 0, 0, 0, "table footer " },
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{ "th", 0, 1, 0, 0, 0, 0, 0, "table header cell" },
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{ "thead", 0, 1, 0, 0, 0, 0, 0, "table header " },
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{ "title", 0, 0, 0, 0, 0, 0, 0, "document title " },
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{ "tr", 0, 0, 0, 0, 0, 0, 0, "table row " },
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{ "tt", 0, 3, 0, 0, 0, 0, 1, "teletype or monospaced text style" },
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{ "u", 0, 3, 0, 0, 1, 1, 1, "underlined text style" },
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{ "ul", 0, 0, 0, 0, 0, 0, 0, "unordered list " },
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{ "var", 0, 0, 0, 0, 0, 0, 1, "instance of a variable or program argument" },
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{ "a", 0, 0, 0, 0, 0, 0, 1, "anchor ",
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DECL html_inline , NULL , DECL a_attrs , DECL target_attr, NULL
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},
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{ "abbr", 0, 0, 0, 0, 0, 0, 1, "abbreviated form",
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DECL html_inline , NULL , DECL html_attrs, NULL, NULL
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},
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{ "acronym", 0, 0, 0, 0, 0, 0, 1, "",
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DECL html_inline , NULL , DECL html_attrs, NULL, NULL
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},
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{ "address", 0, 0, 0, 0, 0, 0, 0, "information on author ",
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DECL inline_p , NULL , DECL html_attrs, NULL, NULL
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},
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{ "applet", 0, 0, 0, 0, 1, 1, 2, "java applet ",
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DECL flow_param , NULL , NULL , DECL applet_attrs, NULL
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},
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{ "area", 0, 2, 2, 1, 0, 0, 0, "client-side image map area ",
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EMPTY , NULL , DECL area_attrs , DECL target_attr, DECL alt_attr
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},
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{ "b", 0, 3, 0, 0, 0, 0, 1, "bold text style",
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DECL html_inline , NULL , DECL html_attrs, NULL, NULL
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},
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{ "base", 0, 2, 2, 1, 0, 0, 0, "document base uri ",
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EMPTY , NULL , NULL , DECL target_attr, DECL href_attrs
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},
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{ "basefont", 0, 2, 2, 1, 1, 1, 1, "base font size " ,
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EMPTY , NULL , NULL, DECL basefont_attrs, NULL
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},
|
||||
{ "bdo", 0, 0, 0, 0, 0, 0, 1, "i18n bidi over-ride ",
|
||||
DECL html_inline , NULL , DECL core_i18n_attrs, NULL, DECL dir_attr
|
||||
},
|
||||
{ "big", 0, 3, 0, 0, 0, 0, 1, "large text style",
|
||||
DECL html_inline , NULL , DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "blockquote", 0, 0, 0, 0, 0, 0, 0, "long quotation ",
|
||||
DECL html_flow , NULL , DECL quote_attrs , NULL, NULL
|
||||
},
|
||||
{ "body", 1, 1, 0, 0, 0, 0, 0, "document body ",
|
||||
DECL body_contents , "div" , DECL body_attrs, DECL body_depr, NULL
|
||||
},
|
||||
{ "br", 0, 2, 2, 1, 0, 0, 1, "forced line break ",
|
||||
EMPTY , NULL , DECL core_attrs, DECL clear_attrs , NULL
|
||||
},
|
||||
{ "button", 0, 0, 0, 0, 0, 0, 2, "push button ",
|
||||
DECL html_flow MODIFIER , NULL , DECL button_attrs, NULL, NULL
|
||||
},
|
||||
{ "caption", 0, 0, 0, 0, 0, 0, 0, "table caption ",
|
||||
DECL html_inline , NULL , DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "center", 0, 3, 0, 0, 1, 1, 0, "shorthand for div align=center ",
|
||||
DECL html_flow , NULL , NULL, DECL html_attrs, NULL
|
||||
},
|
||||
{ "cite", 0, 0, 0, 0, 0, 0, 1, "citation",
|
||||
DECL html_inline , NULL , DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "code", 0, 0, 0, 0, 0, 0, 1, "computer code fragment",
|
||||
DECL html_inline , NULL , DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "col", 0, 2, 2, 1, 0, 0, 0, "table column ",
|
||||
EMPTY , NULL , DECL col_attrs , NULL, NULL
|
||||
},
|
||||
{ "colgroup", 0, 1, 0, 0, 0, 0, 0, "table column group ",
|
||||
DECL col_elt , "col" , DECL col_attrs , NULL, NULL
|
||||
},
|
||||
{ "dd", 0, 1, 0, 0, 0, 0, 0, "definition description ",
|
||||
DECL html_flow , NULL , DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "del", 0, 0, 0, 0, 0, 0, 2, "deleted text ",
|
||||
DECL html_flow , NULL , DECL edit_attrs , NULL, NULL
|
||||
},
|
||||
{ "dfn", 0, 0, 0, 0, 0, 0, 1, "instance definition",
|
||||
DECL html_inline , NULL , DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "dir", 0, 0, 0, 0, 1, 1, 0, "directory list",
|
||||
DECL blockli_elt, "li" , NULL, DECL compact_attrs, NULL
|
||||
},
|
||||
{ "div", 0, 0, 0, 0, 0, 0, 0, "generic language/style container",
|
||||
DECL html_flow, NULL, DECL html_attrs, DECL align_attr, NULL
|
||||
},
|
||||
{ "dl", 0, 0, 0, 0, 0, 0, 0, "definition list ",
|
||||
DECL dl_contents , "dd" , html_attrs, DECL compact_attr, NULL
|
||||
},
|
||||
{ "dt", 0, 1, 0, 0, 0, 0, 0, "definition term ",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "em", 0, 3, 0, 0, 0, 0, 1, "emphasis",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "fieldset", 0, 0, 0, 0, 0, 0, 0, "form control group ",
|
||||
DECL fieldset_contents , NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "font", 0, 3, 0, 0, 1, 1, 1, "local change to font ",
|
||||
DECL html_inline, NULL, NULL, DECL font_attrs, NULL
|
||||
},
|
||||
{ "form", 0, 0, 0, 0, 0, 0, 0, "interactive form ",
|
||||
DECL form_contents, "fieldset", DECL form_attrs , DECL target_attr, DECL action_attr
|
||||
},
|
||||
{ "frame", 0, 2, 2, 1, 0, 2, 0, "subwindow " ,
|
||||
EMPTY, NULL, NULL, DECL frame_attrs, NULL
|
||||
},
|
||||
{ "frameset", 0, 0, 0, 0, 0, 2, 0, "window subdivision" ,
|
||||
DECL frameset_contents, "noframes" , NULL , DECL frameset_attrs, NULL
|
||||
},
|
||||
{ "h1", 0, 0, 0, 0, 0, 0, 0, "heading ",
|
||||
DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
|
||||
},
|
||||
{ "h2", 0, 0, 0, 0, 0, 0, 0, "heading ",
|
||||
DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
|
||||
},
|
||||
{ "h3", 0, 0, 0, 0, 0, 0, 0, "heading ",
|
||||
DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
|
||||
},
|
||||
{ "h4", 0, 0, 0, 0, 0, 0, 0, "heading ",
|
||||
DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
|
||||
},
|
||||
{ "h5", 0, 0, 0, 0, 0, 0, 0, "heading ",
|
||||
DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
|
||||
},
|
||||
{ "h6", 0, 0, 0, 0, 0, 0, 0, "heading ",
|
||||
DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
|
||||
},
|
||||
{ "head", 1, 1, 0, 0, 0, 0, 0, "document head ",
|
||||
DECL head_contents, NULL, DECL head_attrs, NULL, NULL
|
||||
},
|
||||
{ "hr", 0, 2, 2, 1, 0, 0, 0, "horizontal rule " ,
|
||||
EMPTY, NULL, DECL html_attrs, DECL hr_depr, NULL
|
||||
},
|
||||
{ "html", 1, 1, 0, 0, 0, 0, 0, "document root element ",
|
||||
DECL html_content , NULL , DECL i18n_attrs, DECL version_attr, NULL
|
||||
},
|
||||
{ "i", 0, 3, 0, 0, 0, 0, 1, "italic text style",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "iframe", 0, 0, 0, 0, 0, 1, 2, "inline subwindow ",
|
||||
DECL html_flow, NULL, NULL, DECL iframe_attrs, NULL
|
||||
},
|
||||
{ "img", 0, 2, 2, 1, 0, 0, 1, "embedded image ",
|
||||
EMPTY, NULL, DECL img_attrs, DECL align_attr, src_alt_attrs
|
||||
},
|
||||
{ "input", 0, 2, 2, 1, 0, 0, 1, "form control ",
|
||||
EMPTY, NULL, DECL input_attrs , DECL align_attr, NULL
|
||||
},
|
||||
{ "ins", 0, 0, 0, 0, 0, 0, 2, "inserted text",
|
||||
DECL html_flow, NULL, DECL edit_attrs, NULL, NULL
|
||||
},
|
||||
{ "isindex", 0, 2, 2, 1, 1, 1, 0, "single line prompt ",
|
||||
EMPTY, NULL, NULL, DECL prompt_attrs, NULL
|
||||
},
|
||||
{ "kbd", 0, 0, 0, 0, 0, 0, 1, "text to be entered by the user",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "label", 0, 0, 0, 0, 0, 0, 1, "form field label text ",
|
||||
DECL html_inline MODIFIER, NULL, DECL label_attrs , NULL, NULL
|
||||
},
|
||||
{ "legend", 0, 0, 0, 0, 0, 0, 0, "fieldset legend ",
|
||||
DECL html_inline, NULL, DECL legend_attrs , DECL align_attr, NULL
|
||||
},
|
||||
{ "li", 0, 1, 1, 0, 0, 0, 0, "list item ",
|
||||
DECL html_flow, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "link", 0, 2, 2, 1, 0, 0, 0, "a media-independent link ",
|
||||
EMPTY, NULL, DECL link_attrs, DECL target_attr, NULL
|
||||
},
|
||||
{ "map", 0, 0, 0, 0, 0, 0, 2, "client-side image map ",
|
||||
DECL map_contents , NULL, DECL html_attrs , NULL, name_attr
|
||||
},
|
||||
{ "menu", 0, 0, 0, 0, 1, 1, 0, "menu list ",
|
||||
DECL blockli_elt , NULL, NULL, DECL compact_attrs, NULL
|
||||
},
|
||||
{ "meta", 0, 2, 2, 1, 0, 0, 0, "generic metainformation ",
|
||||
EMPTY, NULL, DECL meta_attrs , NULL , DECL content_attr
|
||||
},
|
||||
{ "noframes", 0, 0, 0, 0, 0, 2, 0, "alternate content container for non frame-based rendering ",
|
||||
DECL noframes_content, "body" , DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "noscript", 0, 0, 0, 0, 0, 0, 0, "alternate content container for non script-based rendering ",
|
||||
DECL html_flow, "div", DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "object", 0, 0, 0, 0, 0, 0, 2, "generic embedded object ",
|
||||
DECL object_contents , "div" , DECL object_attrs, DECL object_depr, NULL
|
||||
},
|
||||
{ "ol", 0, 0, 0, 0, 0, 0, 0, "ordered list ",
|
||||
DECL li_elt , "li" , DECL html_attrs, DECL ol_attrs, NULL
|
||||
},
|
||||
{ "optgroup", 0, 0, 0, 0, 0, 0, 0, "option group ",
|
||||
option_elt , "option", DECL optgroup_attrs, NULL, DECL label_attr
|
||||
},
|
||||
{ "option", 0, 1, 0, 0, 0, 0, 0, "selectable choice " ,
|
||||
DECL html_pcdata, NULL, DECL option_attrs, NULL, NULL
|
||||
},
|
||||
{ "p", 0, 1, 0, 0, 0, 0, 0, "paragraph ",
|
||||
DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
|
||||
},
|
||||
{ "param", 0, 2, 2, 1, 0, 0, 0, "named property value ",
|
||||
EMPTY, NULL, DECL param_attrs, NULL, name_attr
|
||||
},
|
||||
{ "pre", 0, 0, 0, 0, 0, 0, 0, "preformatted text ",
|
||||
DECL pre_content, NULL, DECL html_attrs, DECL width_attr, NULL
|
||||
},
|
||||
{ "q", 0, 0, 0, 0, 0, 0, 1, "short inline quotation ",
|
||||
DECL html_inline, NULL, DECL quote_attrs, NULL, NULL
|
||||
},
|
||||
{ "s", 0, 3, 0, 0, 1, 1, 1, "strike-through text style",
|
||||
DECL html_inline, NULL, NULL, DECL html_attrs, NULL
|
||||
},
|
||||
{ "samp", 0, 0, 0, 0, 0, 0, 1, "sample program output, scripts, etc.",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "script", 0, 0, 0, 0, 0, 0, 2, "script statements ",
|
||||
DECL html_cdata, NULL, DECL script_attrs, DECL language_attr, DECL type_attr
|
||||
},
|
||||
{ "select", 0, 0, 0, 0, 0, 0, 1, "option selector ",
|
||||
DECL select_content, NULL, DECL select_attrs, NULL, NULL
|
||||
},
|
||||
{ "small", 0, 3, 0, 0, 0, 0, 1, "small text style",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "span", 0, 0, 0, 0, 0, 0, 1, "generic language/style container ",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "strike", 0, 3, 0, 0, 1, 1, 1, "strike-through text",
|
||||
DECL html_inline, NULL, NULL, DECL html_attrs, NULL
|
||||
},
|
||||
{ "strong", 0, 3, 0, 0, 0, 0, 1, "strong emphasis",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "style", 0, 0, 0, 0, 0, 0, 0, "style info ",
|
||||
DECL html_cdata, NULL, DECL style_attrs, NULL, DECL type_attr
|
||||
},
|
||||
{ "sub", 0, 3, 0, 0, 0, 0, 1, "subscript",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "sup", 0, 3, 0, 0, 0, 0, 1, "superscript ",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "table", 0, 0, 0, 0, 0, 0, 0, "",
|
||||
DECL table_contents , "tr" , DECL table_attrs , DECL table_depr, NULL
|
||||
},
|
||||
{ "tbody", 1, 0, 0, 0, 0, 0, 0, "table body ",
|
||||
DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL
|
||||
},
|
||||
{ "td", 0, 0, 0, 0, 0, 0, 0, "table data cell",
|
||||
DECL html_flow, NULL, DECL th_td_attr, DECL th_td_depr, NULL
|
||||
},
|
||||
{ "textarea", 0, 0, 0, 0, 0, 0, 1, "multi-line text field ",
|
||||
DECL html_pcdata, NULL, DECL textarea_attrs, NULL, DECL rows_cols_attr
|
||||
},
|
||||
{ "tfoot", 0, 1, 0, 0, 0, 0, 0, "table footer ",
|
||||
DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL
|
||||
},
|
||||
{ "th", 0, 1, 0, 0, 0, 0, 0, "table header cell",
|
||||
DECL html_flow, NULL, DECL th_td_attr, DECL th_td_depr, NULL
|
||||
},
|
||||
{ "thead", 0, 1, 0, 0, 0, 0, 0, "table header ",
|
||||
DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL
|
||||
},
|
||||
{ "title", 0, 0, 0, 0, 0, 0, 0, "document title ",
|
||||
DECL html_pcdata, NULL, DECL i18n_attrs, NULL, NULL
|
||||
},
|
||||
{ "tr", 0, 0, 0, 0, 0, 0, 0, "table row ",
|
||||
DECL tr_contents , "td" , DECL talign_attrs, DECL bgcolor_attr, NULL
|
||||
},
|
||||
{ "tt", 0, 3, 0, 0, 0, 0, 1, "teletype or monospaced text style",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
},
|
||||
{ "u", 0, 3, 0, 0, 1, 1, 1, "underlined text style",
|
||||
DECL html_inline, NULL, NULL, DECL html_attrs, NULL
|
||||
},
|
||||
{ "ul", 0, 0, 0, 0, 0, 0, 0, "unordered list ",
|
||||
DECL li_elt , "li" , DECL html_attrs, DECL ul_depr, NULL
|
||||
},
|
||||
{ "var", 0, 0, 0, 0, 0, 0, 1, "instance of a variable or program argument",
|
||||
DECL html_inline, NULL, DECL html_attrs, NULL, NULL
|
||||
}
|
||||
};
|
||||
|
||||
/*
|
||||
@ -5133,4 +5450,116 @@ htmlHandleOmittedElem(int val) {
|
||||
return(old);
|
||||
}
|
||||
|
||||
/**
|
||||
* htmlElementAllowedHere:
|
||||
* @parent: HTML parent element
|
||||
* @elt: HTML element
|
||||
*
|
||||
* Checks whether an HTML element may be a direct child of a parent element.
|
||||
* Note - doesn't check for deprecated elements
|
||||
*
|
||||
* Returns 1 if allowed; 0 otherwise.
|
||||
*/
|
||||
int
|
||||
htmlElementAllowedHere(const htmlElemDesc* parent, const xmlChar* elt) {
|
||||
const char** p ;
|
||||
|
||||
if ( ! elt || ! parent || ! parent->subelts )
|
||||
return 0 ;
|
||||
|
||||
for ( p = parent->subelts; *p; ++p )
|
||||
if ( !xmlStrcmp((const xmlChar *)*p, elt) )
|
||||
return 1 ;
|
||||
|
||||
return 0 ;
|
||||
}
|
||||
/**
|
||||
* htmlElementStatusHere:
|
||||
* @parent: HTML parent element
|
||||
* @elt: HTML element
|
||||
*
|
||||
* Checks whether an HTML element may be a direct child of a parent element.
|
||||
* and if so whether it is valid or deprecated.
|
||||
*
|
||||
* Returns one of HTML_VALID, HTML_DEPRECATED, HTML_INVALID
|
||||
*/
|
||||
htmlStatus
|
||||
htmlElementStatusHere(const htmlElemDesc* parent, const htmlElemDesc* elt) {
|
||||
if ( ! parent || ! elt )
|
||||
return HTML_INVALID ;
|
||||
if ( ! htmlElementAllowedHere(parent, (const xmlChar*) elt->name ) )
|
||||
return HTML_INVALID ;
|
||||
|
||||
return ( elt->dtd == 0 ) ? HTML_VALID : HTML_DEPRECATED ;
|
||||
}
|
||||
/**
|
||||
* htmlAttrAllowed
|
||||
* @elt: HTML element
|
||||
* @attr: HTML attribute
|
||||
* @legacy: whether to allow deprecated attributes
|
||||
*
|
||||
* Checks whether an attribute is valid for an element
|
||||
* Has full knowledge of Required and Deprecated attributes
|
||||
*
|
||||
* Returns one of HTML_REQUIRED, HTML_VALID, HTML_DEPRECATED, HTML_INVALID
|
||||
*/
|
||||
htmlStatus
|
||||
htmlAttrAllowed(const htmlElemDesc* elt, const xmlChar* attr, int legacy) {
|
||||
const char** p ;
|
||||
|
||||
if ( !elt || ! attr )
|
||||
return HTML_INVALID ;
|
||||
|
||||
if ( elt->attrs_req )
|
||||
for ( p = elt->attrs_req; *p; ++p)
|
||||
if ( !xmlStrcmp((const xmlChar*)*p, attr) )
|
||||
return HTML_REQUIRED ;
|
||||
|
||||
if ( elt->attrs_opt )
|
||||
for ( p = elt->attrs_opt; *p; ++p)
|
||||
if ( !xmlStrcmp((const xmlChar*)*p, attr) )
|
||||
return HTML_VALID ;
|
||||
|
||||
if ( legacy && elt->attrs_depr )
|
||||
for ( p = elt->attrs_depr; *p; ++p)
|
||||
if ( !xmlStrcmp((const xmlChar*)*p, attr) )
|
||||
return HTML_DEPRECATED ;
|
||||
|
||||
return HTML_INVALID ;
|
||||
}
|
||||
/**
|
||||
* htmlNodeStatus
|
||||
* @node - an htmlNodePtr in a tree
|
||||
* @legacy - whether to allow deprecated elements (YES is faster here
|
||||
* for Element nodes)
|
||||
*
|
||||
* Checks whether the tree node is valid. Experimental (the author
|
||||
* only uses the HTML enhancements in a SAX parser)
|
||||
*
|
||||
* Return: for Element nodes, a return from htmlElementAllowedHere (if
|
||||
* legacy allowed) or htmlElementStatusHere (otherwise).
|
||||
* for Attribute nodes, a return from htmlAttrAllowed
|
||||
* for other nodes, HTML_NA (no checks performed)
|
||||
*/
|
||||
htmlStatus
|
||||
htmlNodeStatus(const htmlNodePtr node, int legacy) {
|
||||
if ( ! node )
|
||||
return HTML_INVALID ;
|
||||
|
||||
switch ( node->type ) {
|
||||
case XML_ELEMENT_NODE:
|
||||
return legacy
|
||||
? ( htmlElementAllowedHere (
|
||||
htmlTagLookup(node->parent->name) , node->name
|
||||
) ? HTML_VALID : HTML_INVALID )
|
||||
: htmlElementStatusHere(
|
||||
htmlTagLookup(node->parent->name) ,
|
||||
htmlTagLookup(node->name) )
|
||||
;
|
||||
case XML_ATTRIBUTE_NODE:
|
||||
return htmlAttrAllowed(
|
||||
htmlTagLookup(node->parent->name) , node->name, legacy) ;
|
||||
default: return HTML_NA ;
|
||||
}
|
||||
}
|
||||
#endif /* LIBXML_HTML_ENABLED */
|
||||
|
||||
@ -28,7 +28,8 @@ typedef xmlDocPtr htmlDocPtr;
|
||||
typedef xmlNodePtr htmlNodePtr;
|
||||
|
||||
/*
|
||||
* Internal description of an HTML element.
|
||||
* Internal description of an HTML element, representing HTML 4.01
|
||||
* and XHTML 1.0 (which share the same structure).
|
||||
*/
|
||||
typedef struct _htmlElemDesc htmlElemDesc;
|
||||
typedef htmlElemDesc *htmlElemDescPtr;
|
||||
@ -42,6 +43,23 @@ struct _htmlElemDesc {
|
||||
char dtd; /* 1: only in Loose DTD, 2: only Frameset one */
|
||||
char isinline; /* is this a block 0 or inline 1 element */
|
||||
const char *desc; /* the description */
|
||||
|
||||
/* NRK Jan.2003
|
||||
* New fields encapsulating HTML structure
|
||||
*
|
||||
* Bugs:
|
||||
* This is a very limited representation. It fails to tell us when
|
||||
* an element *requires* subelements (we only have whether they're
|
||||
* allowed or not), and it doesn't tell us where CDATA and PCDATA
|
||||
* are allowed. Some element relationships are not fully represented:
|
||||
* these are flagged with the word MODIFIER
|
||||
*/
|
||||
const char** subelts; /* allowed sub-elements of this element */
|
||||
const char* defaultsubelt; /* subelement for suggested auto-repair
|
||||
if necessary or NULL */
|
||||
const char** attrs_opt; /* Optional Attributes */
|
||||
const char** attrs_depr; /* Additional deprecated attributes */
|
||||
const char** attrs_req; /* Required attributes */
|
||||
};
|
||||
|
||||
/*
|
||||
@ -110,6 +128,30 @@ int htmlParseChunk (htmlParserCtxtPtr ctxt,
|
||||
const char *chunk,
|
||||
int size,
|
||||
int terminate);
|
||||
|
||||
/* NRK/Jan2003: further knowledge of HTML structure
|
||||
*/
|
||||
typedef enum {
|
||||
HTML_NA = 0 , /* something we don't check at all */
|
||||
HTML_INVALID = 0x1 ,
|
||||
HTML_DEPRECATED = 0x2 ,
|
||||
HTML_VALID = 0x4 ,
|
||||
HTML_REQUIRED = 0xc /* VALID bit set so ( & HTML_VALID ) is TRUE */
|
||||
} htmlStatus ;
|
||||
|
||||
/* Using htmlElemDesc rather than name here, to emphasise the fact
|
||||
that otherwise there's a lookup overhead
|
||||
*/
|
||||
htmlStatus htmlAttrAllowed(const htmlElemDesc*, const xmlChar*, int) ;
|
||||
int htmlElementAllowedHere(const htmlElemDesc*, const xmlChar*) ;
|
||||
htmlStatus htmlElementStatusHere(const htmlElemDesc*, const htmlElemDesc*) ;
|
||||
htmlStatus htmlNodeStatus(const htmlNodePtr, int) ;
|
||||
#define htmlDefaultSubelement(elt) elt->defaultsubelt
|
||||
#define htmlElementAllowedHereDesc(parent,elt) \
|
||||
htmlElementAllowedHere((parent), (elt)->name)
|
||||
#define htmlRequiredAttrs(elt) (elt)->attrs_req
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user