/*
*
* (c) COPYRIGHT MIT and INRIA, 1996.
* Please first read the full copyright statement in file COPYRIGHT.
*
*/
/*
*
* Builds the corresponding abstract tree for a Thot document of type HTML.
*
* Authors: L. Carcone
* V. Quint
*/
#define THOT_EXPORT extern
#include "amaya.h"
#include "css.h"
#include "parser.h"
#include "HTML.h"
#include "css_f.h"
#include "fetchXMLname_f.h"
#include "html2thot_f.h"
#include "HTMLactions_f.h"
#include "HTMLedit_f.h"
#include "HTMLform_f.h"
#include "HTMLimage_f.h"
#include "HTMLtable_f.h"
#include "HTMLimage_f.h"
#include "UIcss_f.h"
#include "styleparser_f.h"
#include "XHTMLbuilder_f.h"
#include "Xml2thot_f.h"
/* maximum length of a Thot structure schema name */
#define MAX_SS_NAME_LENGTH 32
/* Mapping table of HTML attribute values */
AttrValueMapping XhtmlAttrValueMappingTable[] =
{
{HTML_ATTR_dir, TEXT("ltr"), HTML_ATTR_dir_VAL_ltr},
{HTML_ATTR_dir, TEXT("rtl"), HTML_ATTR_dir_VAL_rtl},
{HTML_ATTR_TextAlign, TEXT("left"), HTML_ATTR_TextAlign_VAL_left_},
{HTML_ATTR_TextAlign, TEXT("center"), HTML_ATTR_TextAlign_VAL_center_},
{HTML_ATTR_TextAlign, TEXT("right"), HTML_ATTR_TextAlign_VAL_right_},
{HTML_ATTR_TextAlign, TEXT("justify"), HTML_ATTR_TextAlign_VAL_justify_},
{HTML_ATTR_Align, TEXT("left"), HTML_ATTR_Align_VAL_left_},
{HTML_ATTR_Align, TEXT("center"), HTML_ATTR_Align_VAL_center_},
{HTML_ATTR_Align, TEXT("right"), HTML_ATTR_Align_VAL_right_},
{HTML_ATTR_LAlign, TEXT("top"), HTML_ATTR_LAlign_VAL_Top_},
{HTML_ATTR_LAlign, TEXT("bottom"), HTML_ATTR_LAlign_VAL_Bottom_},
{HTML_ATTR_LAlign, TEXT("left"), HTML_ATTR_LAlign_VAL_Left_},
{HTML_ATTR_LAlign, TEXT("right"), HTML_ATTR_LAlign_VAL_Right_},
{HTML_ATTR_Clear, TEXT("left"), HTML_ATTR_Clear_VAL_Left_},
{HTML_ATTR_Clear, TEXT("right"), HTML_ATTR_Clear_VAL_Right_},
{HTML_ATTR_Clear, TEXT("all"), HTML_ATTR_Clear_VAL_All_},
{HTML_ATTR_Clear, TEXT("none"), HTML_ATTR_Clear_VAL_None_},
{HTML_ATTR_NumberStyle, TEXT("1"), HTML_ATTR_NumberStyle_VAL_Arabic_},
{HTML_ATTR_NumberStyle, TEXT("a"), HTML_ATTR_NumberStyle_VAL_LowerAlpha},
{HTML_ATTR_NumberStyle, TEXT("A"), HTML_ATTR_NumberStyle_VAL_UpperAlpha},
{HTML_ATTR_NumberStyle, TEXT("i"), HTML_ATTR_NumberStyle_VAL_LowerRoman},
{HTML_ATTR_NumberStyle, TEXT("I"), HTML_ATTR_NumberStyle_VAL_UpperRoman},
{HTML_ATTR_BulletStyle, TEXT("disc"), HTML_ATTR_BulletStyle_VAL_disc},
{HTML_ATTR_BulletStyle, TEXT("square"), HTML_ATTR_BulletStyle_VAL_square},
{HTML_ATTR_BulletStyle, TEXT("circle"), HTML_ATTR_BulletStyle_VAL_circle},
{HTML_ATTR_ItemStyle, TEXT("1"), HTML_ATTR_ItemStyle_VAL_Arabic_},
{HTML_ATTR_ItemStyle, TEXT("a"), HTML_ATTR_ItemStyle_VAL_LowerAlpha},
{HTML_ATTR_ItemStyle, TEXT("A"), HTML_ATTR_ItemStyle_VAL_UpperAlpha},
{HTML_ATTR_ItemStyle, TEXT("i"), HTML_ATTR_ItemStyle_VAL_LowerRoman},
{HTML_ATTR_ItemStyle, TEXT("I"), HTML_ATTR_ItemStyle_VAL_UpperRoman},
{HTML_ATTR_ItemStyle, TEXT("disc"), HTML_ATTR_ItemStyle_VAL_disc},
{HTML_ATTR_ItemStyle, TEXT("square"), HTML_ATTR_ItemStyle_VAL_square},
{HTML_ATTR_ItemStyle, TEXT("circle"), HTML_ATTR_ItemStyle_VAL_circle},
{HTML_ATTR_Button_type, TEXT("button"), HTML_ATTR_Button_type_VAL_button},
{HTML_ATTR_Button_type, TEXT("submit"), HTML_ATTR_Button_type_VAL_submit},
{HTML_ATTR_Button_type, TEXT("reset"), HTML_ATTR_Button_type_VAL_reset},
{HTML_ATTR_frame, TEXT("void"), HTML_ATTR_frame_VAL_void},
{HTML_ATTR_frame, TEXT("above"), HTML_ATTR_frame_VAL_above},
{HTML_ATTR_frame, TEXT("below"), HTML_ATTR_frame_VAL_below},
{HTML_ATTR_frame, TEXT("hsides"), HTML_ATTR_frame_VAL_hsides},
{HTML_ATTR_frame, TEXT("lhs"), HTML_ATTR_frame_VAL_lhs},
{HTML_ATTR_frame, TEXT("rhs"), HTML_ATTR_frame_VAL_rhs},
{HTML_ATTR_frame, TEXT("vsides"), HTML_ATTR_frame_VAL_vsides},
{HTML_ATTR_frame, TEXT("box"), HTML_ATTR_frame_VAL_box},
{HTML_ATTR_frame, TEXT("border"), HTML_ATTR_frame_VAL_border},
{HTML_ATTR_frameborder, TEXT("0"), HTML_ATTR_frameborder_VAL_Border0},
{HTML_ATTR_frameborder, TEXT("1"), HTML_ATTR_frameborder_VAL_Border1},
{HTML_ATTR_scrolling, TEXT("yes"), HTML_ATTR_scrolling_VAL_Yes_},
{HTML_ATTR_scrolling, TEXT("no"), HTML_ATTR_scrolling_VAL_No_},
{HTML_ATTR_scrolling, TEXT("auto"), HTML_ATTR_scrolling_VAL_auto_},
{HTML_ATTR_rules_, TEXT("none"), HTML_ATTR_rules__VAL_none_},
{HTML_ATTR_rules_, TEXT("groups"), HTML_ATTR_rules__VAL_groups},
{HTML_ATTR_rules_, TEXT("rows"), HTML_ATTR_rules__VAL_rows},
{HTML_ATTR_rules_, TEXT("cols"), HTML_ATTR_rules__VAL_cols},
{HTML_ATTR_rules_, TEXT("all"), HTML_ATTR_rules__VAL_all},
{HTML_ATTR_Cell_align, TEXT("left"), HTML_ATTR_Cell_align_VAL_Cell_left},
{HTML_ATTR_Cell_align, TEXT("center"), HTML_ATTR_Cell_align_VAL_Cell_center},
{HTML_ATTR_Cell_align, TEXT("right"), HTML_ATTR_Cell_align_VAL_Cell_right},
{HTML_ATTR_Cell_align, TEXT("justify"), HTML_ATTR_Cell_align_VAL_Cell_justify},
{HTML_ATTR_Cell_align, TEXT("char"), HTML_ATTR_Cell_align_VAL_Cell_char},
{HTML_ATTR_Alignment, TEXT("top"), HTML_ATTR_Alignment_VAL_Top_},
{HTML_ATTR_Alignment, TEXT("middle"), HTML_ATTR_Alignment_VAL_Middle_},
{HTML_ATTR_Alignment, TEXT("bottom"), HTML_ATTR_Alignment_VAL_Bottom_},
{HTML_ATTR_Alignment, TEXT("left"), HTML_ATTR_Alignment_VAL_Left_},
{HTML_ATTR_Alignment, TEXT("right"), HTML_ATTR_Alignment_VAL_Right_},
{HTML_ATTR_METHOD, TEXT("get"), HTML_ATTR_METHOD_VAL_Get_},
{HTML_ATTR_METHOD, TEXT("post"), HTML_ATTR_METHOD_VAL_Post_},
{HTML_ATTR_Position, TEXT("top"), HTML_ATTR_Position_VAL_Position_top},
{HTML_ATTR_Position, TEXT("bottom"), HTML_ATTR_Position_VAL_Position_bottom},
{HTML_ATTR_Position, TEXT("left"), HTML_ATTR_Position_VAL_Position_left},
{HTML_ATTR_Position, TEXT("right"), HTML_ATTR_Position_VAL_Position_right},
{HTML_ATTR_Row_valign, TEXT("top"), HTML_ATTR_Row_valign_VAL_Row_top},
{HTML_ATTR_Row_valign, TEXT("middle"), HTML_ATTR_Row_valign_VAL_Row_middle},
{HTML_ATTR_Row_valign, TEXT("bottom"), HTML_ATTR_Row_valign_VAL_Row_bottom},
{HTML_ATTR_Row_valign, TEXT("baseline"), HTML_ATTR_Row_valign_VAL_Row_baseline},
{HTML_ATTR_Cell_valign, TEXT("top"), HTML_ATTR_Cell_valign_VAL_Cell_top},
{HTML_ATTR_Cell_valign, TEXT("middle"), HTML_ATTR_Cell_valign_VAL_Cell_middle},
{HTML_ATTR_Cell_valign, TEXT("bottom"), HTML_ATTR_Cell_valign_VAL_Cell_bottom},
{HTML_ATTR_Cell_valign, TEXT("baseline"), HTML_ATTR_Cell_valign_VAL_Cell_baseline},
{HTML_ATTR_shape, TEXT("rect"), HTML_ATTR_shape_VAL_rectangle},
{HTML_ATTR_shape, TEXT("circle"), HTML_ATTR_shape_VAL_circle},
{HTML_ATTR_shape, TEXT("poly"), HTML_ATTR_shape_VAL_polygon},
{HTML_ATTR_valuetype, TEXT("data"), HTML_ATTR_valuetype_VAL_data_},
{HTML_ATTR_valuetype, TEXT("ref"), HTML_ATTR_valuetype_VAL_ref},
{HTML_ATTR_valuetype, TEXT("object"), HTML_ATTR_valuetype_VAL_object_},
/* HTML attribute TYPE generates a Thot element */
{DummyAttribute, TEXT("button"), HTML_EL_Button_Input},
{DummyAttribute, TEXT("checkbox"), HTML_EL_Checkbox_Input},
{DummyAttribute, TEXT("file"), HTML_EL_File_Input},
{DummyAttribute, TEXT("hidden"), HTML_EL_Hidden_Input},
{DummyAttribute, TEXT("image"), HTML_EL_PICTURE_UNIT},
{DummyAttribute, TEXT("password"), HTML_EL_Password_Input},
{DummyAttribute, TEXT("radio"), HTML_EL_Radio_Input},
{DummyAttribute, TEXT("reset"), HTML_EL_Reset_Input},
{DummyAttribute, TEXT("submit"), HTML_EL_Submit_Input},
{DummyAttribute, TEXT("text"), HTML_EL_Text_Input},
/* The following declarations allow the parser to accept boolean attributes */
/* written "checked=CHECKED"), for instance */
{HTML_ATTR_ISMAP, TEXT("ismap"), HTML_ATTR_ISMAP_VAL_Yes_},
{HTML_ATTR_nohref, TEXT("nohref"), HTML_ATTR_nohref_VAL_Yes_},
{HTML_ATTR_COMPACT, TEXT("compact"), HTML_ATTR_COMPACT_VAL_Yes_},
{HTML_ATTR_Multiple, TEXT("multiple"), HTML_ATTR_Multiple_VAL_Yes_},
{HTML_ATTR_Selected, TEXT("selected"), HTML_ATTR_Selected_VAL_Yes_},
{HTML_ATTR_Checked, TEXT("checked"), HTML_ATTR_Checked_VAL_Yes_},
{HTML_ATTR_No_wrap, TEXT("nowrap"), HTML_ATTR_No_wrap_VAL_no_wrap},
{HTML_ATTR_NoShade, TEXT("noshade"), HTML_ATTR_NoShade_VAL_NoShade_},
{HTML_ATTR_declare, TEXT("declare"), HTML_ATTR_declare_VAL_Yes_},
{HTML_ATTR_defer, TEXT("defer"), HTML_ATTR_defer_VAL_Yes_},
{HTML_ATTR_disabled, TEXT("disabled"), HTML_ATTR_disabled_VAL_Yes_},
{HTML_ATTR_readonly, TEXT("readonly"), HTML_ATTR_readonly_VAL_Yes_},
{HTML_ATTR_no_resize, TEXT("noresize"), HTML_ATTR_no_resize_VAL_Yes_},
/* XML attribute xml:space */
{HTML_ATTR_xml_space, TEXT("default"), HTML_ATTR_xml_space_VAL_xml_space_default},
{HTML_ATTR_xml_space, TEXT("preserve"), HTML_ATTR_xml_space_VAL_xml_space_preserve},
{0, TEXT(""), 0} /* Last entry. Mandatory */
};
/* Define a pointer to let parser functions access the HTML entity table */
extern XmlEntity *pXhtmlEntityTable;
/*----------------------------------------------------------------------
ParseCharset:
Parses the element HTTP-EQUIV and looks for the charset value.
----------------------------------------------------------------------*/
#ifdef __STDC__
void ParseCharset (Element el, Document doc)
#else /* !__STDC__ */
void ParseCharset (el, doc)
Element el;
Document doc;
#endif /* !__STDC__ */
{
AttributeType attrType;
Attribute attr;
SSchema docSSchema;
CHARSET charset;
CHAR_T *text, *text2, *ptrText, *str;
CHAR_T charsetname[MAX_LENGTH];
int length;
int pos, index = 0;
charset = TtaGetDocumentCharset (doc);
if (charset != UNDEFINED_CHARSET)
/* the charset was already defined by the http header */
return;
docSSchema = TtaGetDocumentSSchema (doc);
attrType.AttrSSchema = docSSchema;
attrType.AttrTypeNum = HTML_ATTR_http_equiv;
attr = TtaGetAttribute (el, attrType);
if (attr != NULL)
{
/* There is a HTTP-EQUIV attribute */
length = TtaGetTextAttributeLength (attr);
if (length > 0)
{
text = TtaAllocString (length + 1);
TtaGiveTextAttributeValue (attr, text, &length);
if (!ustrcasecmp (text, TEXT("content-type")))
{
attrType.AttrTypeNum = HTML_ATTR_meta_content;
attr = TtaGetAttribute (el, attrType);
if (attr != NULL)
{
length = TtaGetTextAttributeLength (attr);
if (length > 0)
{
text2 = TtaAllocString (length + 1);
TtaGiveTextAttributeValue (attr, text2, &length);
ptrText = text2;
while (*ptrText)
{
*ptrText = utolower (*ptrText);
ptrText++;
}
str = ustrstr (text2, TEXT("charset="));
if (str)
{
pos = str - text2 + 8;
while (text2[pos] != WC_SPACE &&
text2[pos] != WC_TAB && text2[pos] != WC_EOS)
charsetname[index++] = text2[pos++];
charsetname[index] = WC_EOS;
charset = TtaGetCharset (charsetname);
if (charset != UNDEFINED_CHARSET)
TtaSetDocumentCharset (doc, charset);
}
TtaFreeMemory (text2);
}
}
}
TtaFreeMemory (text);
}
}
}
/*----------------------------------------------------------------------
XhtmlEntityCreated
A XTHML entity has been created by the XML parser.
----------------------------------------------------------------------*/
#ifdef __STDC__
void XhtmlEntityCreated (int entityValue,
STRING entityName,
ParserData *context)
#else
void XhtmlEntityCreated (entityValue, entityName, context)
int entityValue;
Language lang;
STRING entityName;
ParserData *context;
#endif
{
ElementType elType;
Element elText;
AttributeType attrType;
Attribute attr;
Language lang;
int len;
CHAR_T buffer[MaxEntityLength+10];
#define MAX_ENTITY_LENGTH 80
if (entityValue < 255)
{
buffer[0] = ((UCHAR_T) entityValue);
buffer[1] = WC_EOS;
lang = TtaGetLanguageIdFromAlphabet('L');
}
else
/* try to find a fallback character */
GetFallbackCharacter (entityValue, buffer, &lang);
/* create a new text leaf */
elType.ElSSchema = TtaGetDocumentSSchema (context->doc);
elType.ElTypeNum = HTML_EL_TEXT_UNIT;
elText = TtaNewElement (context->doc, elType);
XmlSetElemLineNumber (elText);
InsertXmlElement (&elText);
TtaSetTextContent (elText, buffer, lang, context->doc);
context->lastElement = elText;
context->lastElementClosed = TRUE;
context->mergeText = FALSE;
/* Make that text leaf read-only */
TtaSetAccessRight (elText, ReadOnly, context->doc);
/* Associate an attribute EntityName with the new text leaf */
attrType.AttrSSchema = TtaGetDocumentSSchema (context->doc);
attrType.AttrTypeNum = HTML_ATTR_EntityName;
attr = TtaNewAttribute (attrType);
TtaAttachAttribute (elText, attr, context->doc);
len = ustrlen (entityName);
if (len > MAX_ENTITY_LENGTH -3)
len = MAX_ENTITY_LENGTH -3;
buffer[0] = '&';
ustrncpy (&buffer[1], entityName, len);
buffer[len+1] = ';';
buffer[len+2] = WC_EOS;
TtaSetAttributeText (attr, buffer, elText, context->doc);
}
/*----------------------------------------------------------------------
XhtmlElementComplete
Complete Xhtml elements.
Check its attributes and its contents.
----------------------------------------------------------------------*/
#ifdef __STDC__
void XhtmlElementComplete (Element el, Document doc, int *error)
#else
void XhtmlElementComplete (el, doc, error)
Element el;
Document doc;
int *error;
#endif
{
ElementType elType, newElType, childType;
Element constElem, child, desc, leaf, prev, next, last,
elFrames, lastFrame, lastChild;
Attribute attr;
AttributeType attrType;
Language lang;
STRING text;
CHAR_T lastChar[2];
STRING name1;
int length;
SSchema docSSchema;
*error = 0;
docSSchema = TtaGetDocumentSSchema (doc);
elType = TtaGetElementType (el);
/* is this a block-level element in a character-level element? */
if (!IsXMLElementInline (elType) &&
elType.ElTypeNum != HTML_EL_Comment_ &&
elType.ElTypeNum != HTML_EL_XMLPI)
BlockInCharLevelElem (el);
newElType.ElSSchema = elType.ElSSchema;
switch (elType.ElTypeNum)
{
case HTML_EL_Object: /* it's an object */
/* create Object_Content */
child = TtaGetFirstChild (el);
if (child != NULL)
elType = TtaGetElementType (child);
/* is it the PICTURE element ? */
if (child == NULL || elType.ElTypeNum != HTML_EL_PICTURE_UNIT)
{
desc = child;
/* create the PICTURE element */
elType.ElTypeNum = HTML_EL_PICTURE_UNIT;
child = TtaNewTree (doc, elType, "");
if (desc == NULL)
TtaInsertFirstChild (&child, el, doc);
else
TtaInsertSibling (child, desc, TRUE, doc);
}
/* copy attribute data into SRC attribute of Object_Image */
attrType.AttrSSchema = docSSchema;
attrType.AttrTypeNum = HTML_ATTR_data;
attr = TtaGetAttribute (el, attrType);
if (attr != NULL)
{
length = TtaGetTextAttributeLength (attr);
if (length > 0)
{
name1 = TtaAllocString (length + 1);
TtaGiveTextAttributeValue (attr, name1, &length);
attrType.AttrTypeNum = HTML_ATTR_SRC;
attr = TtaGetAttribute (child, attrType);
if (attr == NULL)
{
attr = TtaNewAttribute (attrType);
TtaAttachAttribute (child, attr, doc);
}
TtaSetAttributeText (attr, name1, child, doc);
TtaFreeMemory (name1);
}
}
/* is the Object_Content element already created ? */
desc = child;
TtaNextSibling(&desc);
if (desc != NULL)
elType = TtaGetElementType (desc);
/* is it the Object_Content element ? */
if (desc == NULL || elType.ElTypeNum != HTML_EL_Object_Content)
{
/* create Object_Content */
elType.ElTypeNum = HTML_EL_Object_Content;
desc = TtaNewTree (doc, elType, "");
TtaInsertSibling (desc, child, FALSE, doc);
/* move previous existing children into Object_Content */
child = TtaGetLastChild(el);
while (child != desc)
{
TtaRemoveTree (child, doc);
TtaInsertFirstChild (&child, desc, doc);
child = TtaGetLastChild(el);
}
}
break;
case HTML_EL_Unnumbered_List:
case HTML_EL_Numbered_List:
case HTML_EL_Menu:
case HTML_EL_Directory:
/* It's a List element. It should only have List_Item children.
If it has List element chidren, move these List elements
within their previous List_Item sibling. This is to fix
a bug in document generated by Mozilla. */
prev = NULL;
next = NULL;
child = TtaGetFirstChild (el);
while (child != NULL)
{
next = child;
TtaNextSibling (&next);
elType = TtaGetElementType (child);
if (elType.ElTypeNum == HTML_EL_Unnumbered_List ||
elType.ElTypeNum == HTML_EL_Numbered_List ||
elType.ElTypeNum == HTML_EL_Menu ||
elType.ElTypeNum == HTML_EL_Directory)
/* this list element is a child of another list element */
if (prev)
{
elType = TtaGetElementType (prev);
if (elType.ElTypeNum == HTML_EL_List_Item)
{
/* get the last child of the previous List_Item */
desc = TtaGetFirstChild (prev);
last = NULL;
while (desc)
{
last = desc;
TtaNextSibling (&desc);
}
/* move the list element after the last child of the
previous List_Item */
TtaRemoveTree (child, doc);
if (last)
TtaInsertSibling (child, last, FALSE, doc);
else
TtaInsertFirstChild (&child, prev, doc);
child = prev;
}
}
prev = child;
child = next;
}
break;
case HTML_EL_FRAMESET:
/* The FRAMESET element is now complete. Gather all its FRAMESET
and FRAME children and wrap them up in a Frames element */
elFrames = NULL; lastFrame = NULL;
lastChild = NULL;
child = TtaGetFirstChild (el);
while (child != NULL)
{
next = child;
TtaNextSibling (&next);
elType = TtaGetElementType (child);
if (elType.ElTypeNum == HTML_EL_FRAMESET ||
elType.ElTypeNum == HTML_EL_FRAME ||
elType.ElTypeNum == HTML_EL_Comment_)
{
/* create the Frames element if it does not exist */
if (elFrames == NULL)
{
newElType.ElSSchema = docSSchema;
newElType.ElTypeNum = HTML_EL_Frames;
elFrames = TtaNewElement (doc, newElType);
XmlSetElemLineNumber (elFrames);
TtaInsertSibling (elFrames, child, TRUE, doc);
}
/* move the element as the last child of the Frames element */
TtaRemoveTree (child, doc);
if (lastFrame == NULL)
TtaInsertFirstChild (&child, elFrames, doc);
else
TtaInsertSibling (child, lastFrame, FALSE, doc);
lastFrame = child;
}
child = next;
}
break;
case HTML_EL_Input: /* it's an INPUT without any TYPE attribute */
/* Create a child of type Text_Input */
elType.ElTypeNum = HTML_EL_Text_Input;
child = TtaNewTree (doc, elType, "");
XmlSetElemLineNumber (child);
TtaInsertFirstChild (&child, el, doc);
/* now, process it like a Text_Input element */
case HTML_EL_Text_Input:
case HTML_EL_Password_Input:
case HTML_EL_File_Input:
/* get element Inserted_Text */
child = TtaGetFirstChild (el);
if (child != NULL)
{
attrType.AttrSSchema = docSSchema;
attrType.AttrTypeNum = HTML_ATTR_Value_;
attr = TtaGetAttribute (el, attrType);
if (attr != NULL)
{
/* copy the value of attribute "value" into the first text
leaf of element */
length = TtaGetTextAttributeLength (attr);
if (length > 0)
{
/* get the text leaf */
leaf = TtaGetFirstChild (child);
if (leaf != NULL)
{
childType = TtaGetElementType (leaf);
if (childType.ElTypeNum == HTML_EL_TEXT_UNIT)
{
/* copy attribute value into the text leaf */
text = TtaAllocString (length + 1);
TtaGiveTextAttributeValue (attr, text, &length);
TtaSetTextContent (leaf, text,
TtaGetDefaultLanguage (), doc);
TtaFreeMemory (text);
}
}
}
}
}
break;
case HTML_EL_META:
ParseCharset (el, doc);
break;
case HTML_EL_STYLE_: /* it's a STYLE element */
case HTML_EL_SCRIPT: /* it's a SCRIPT element */
case HTML_EL_Preformatted: /* it's a PRE */
/* if the last line of the Preformatted is empty, remove it */
leaf = XmlLastLeafInElement (el);
if (leaf != NULL)
{
elType = TtaGetElementType (leaf);
if (elType.ElTypeNum == HTML_EL_TEXT_UNIT)
/* the last leaf is a TEXT element */
{
length = TtaGetTextLength (leaf);
if (length > 0)
{
TtaGiveSubString (leaf, lastChar, length, 1);
if (lastChar[0] == EOL)
/* last character is new line, delete it */
{
if (length == 1)
/* empty TEXT element */
TtaDeleteTree (leaf, doc);
else
/* remove the last character */
TtaDeleteTextContent (leaf, length, 1, doc);
}
}
}
}
if (IsParsingCSS ())
{
text = GetStyleContents (el);
if (text)
{
ReadCSSRules (doc, NULL, text, FALSE);
TtaFreeMemory (text);
}
SetParsingCSS (FALSE);
}
/* and continue as if it were a Preformatted or a Script */
break;
case HTML_EL_Text_Area: /* it's a Text_Area */
SetParsingTextArea (FALSE);
child = TtaGetFirstChild (el);
if (child == NULL)
/* it's an empty Text_Area */
/* insert a Inserted_Text element in the element */
{
newElType.ElTypeNum = HTML_EL_Inserted_Text;
child = TtaNewTree (doc, newElType, "");
TtaInsertFirstChild (&child, el, doc);
}
else
{
/* save the text into Default_Value attribute */
attrType.AttrSSchema = docSSchema;
attrType.AttrTypeNum = HTML_ATTR_Default_Value;
if (TtaGetAttribute (el, attrType) == NULL)
/* attribute Default_Value is missing */
{
attr = TtaNewAttribute (attrType);
TtaAttachAttribute (el, attr, doc);
desc = TtaGetFirstChild (child);
length = TtaGetTextLength (desc) + 1;
text = TtaAllocString (length);
TtaGiveTextContent (desc, text, &length, &lang);
TtaSetAttributeText (attr, text, el, doc);
TtaFreeMemory (text);
}
}
/* insert a Frame element */
newElType.ElTypeNum = HTML_EL_Frame;
constElem = TtaNewTree (doc, newElType, "");
TtaInsertSibling (constElem, child, FALSE, doc);
break;
case HTML_EL_Radio_Input:
case HTML_EL_Checkbox_Input:
/* put an attribute Checked if it is missing */
attrType.AttrSSchema = docSSchema;
attrType.AttrTypeNum = HTML_ATTR_Checked;
if (TtaGetAttribute (el, attrType) == NULL)
/* attribute Checked is missing */
{
attr = TtaNewAttribute (attrType);
TtaAttachAttribute (el, attr, doc);
TtaSetAttributeValue (attr, HTML_ATTR_Checked_VAL_No_, el, doc);
}
break;
case HTML_EL_Option_Menu:
/* Check that at least one option has a SELECTED attribute */
OnlyOneOptionSelected (el, doc, TRUE);
break;
case HTML_EL_PICTURE_UNIT:
break;
case HTML_EL_LINK:
CheckCSSLink (el, doc, docSSchema);
break;
case HTML_EL_Data_cell:
case HTML_EL_Heading_cell:
/* insert a pseudo paragraph into empty cells */
child = TtaGetFirstChild (el);
if (child == NULL)
{
elType.ElTypeNum = HTML_EL_Pseudo_paragraph;
child = TtaNewTree (doc, elType, "");
if (child != NULL)
TtaInsertFirstChild (&child, el, doc);
}
/* detect whether we're parsing a whole table or just a cell */
if (IsWithinTable ())
NewCell (el, doc, FALSE);
break;
case HTML_EL_Table:
CheckTable (el, doc);
SubWithinTable ();
break;
case HTML_EL_TITLE:
/* show the TITLE in the main window */
UpdateTitle (el, doc);
break;
default:
break;
}
}
/*----------------------------------------------------------------------
MapHTMLAttributeValue
Search in the Attribute Value Mapping Table the entry for the attribute
ThotAtt and its value AttrVal. Returns the corresponding Thot value.
----------------------------------------------------------------------*/
#ifdef __STDC__
void MapHTMLAttributeValue (CHAR_T* AttrVal,
AttributeType attrType,
int* value)
#else
void MapHTMLAttributeValue (AttrVal, attrType, value)
CHAR_T* AttrVal;
AttributeType attrType;
int* value;
#endif
{
int i;
*value = 0;
i = 0;
while (XhtmlAttrValueMappingTable[i].ThotAttr != attrType.AttrTypeNum &&
XhtmlAttrValueMappingTable[i].ThotAttr != 0)
i++;
if (XhtmlAttrValueMappingTable[i].ThotAttr == attrType.AttrTypeNum)
{
do
if (!ustrcmp (XhtmlAttrValueMappingTable[i].XMLattrValue, AttrVal))
*value = XhtmlAttrValueMappingTable[i].ThotAttrValue;
else
i++;
while (*value <= 0 &&
XhtmlAttrValueMappingTable[i].ThotAttr != 0);
}
}
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