/*
*
* (c) COPYRIGHT INRIA and W3C, 1996-2005
* Please first read the full copyright statement in file COPYRIGHT.
*
*/
/*
*
* fetchXMLname
*
* Authors: I. Vatton
* L. Carcone
*
*/
#define THOT_EXPORT extern
#include "amaya.h"
#include "parser.h"
#include "HTMLnames.h"
#include "MathMLnames.h"
#include "SVGnames.h"
#include "XLinknames.h"
#include "Templatename.h"
/* define some pointers to let other parser functions access the local table */
int HTML_ENTRIES = (sizeof(XHTMLElemMappingTable) / sizeof(ElemMapping));
ElemMapping *pHTMLGIMapping = XHTMLElemMappingTable;
AttributeMapping *pHTMLAttributeMapping = XHTMLAttributeMappingTable;
XmlEntity *pXhtmlEntityTable = XhtmlEntityTable;
XmlEntity *pMathEntityTable = MathEntityTable;
#include "fetchXMLname_f.h"
/* Global variables used by the entity mapping */
static int XHTMLSup = 0;
static int MathSup = 0;
/*----------------------------------------------------------------------
GetXHTMLSSchema returns the XHTML Thot schema for document doc.
----------------------------------------------------------------------*/
SSchema GetXHTMLSSchema (Document doc)
{
SSchema XHTMLSSchema;
XHTMLSSchema = TtaGetSSchema ("HTML", doc);
if (XHTMLSSchema == NULL)
XHTMLSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc), NULL,
"HTML", "HTMLP");
return (XHTMLSSchema);
}
/*----------------------------------------------------------------------
GetMathMLSSchema returns the MathML Thot schema for document doc.
----------------------------------------------------------------------*/
SSchema GetMathMLSSchema (Document doc)
{
SSchema MathMLSSchema;
MathMLSSchema = TtaGetSSchema ("MathML", doc);
if (MathMLSSchema == NULL)
MathMLSSchema = TtaNewNature(doc,
TtaGetDocumentSSchema(doc), NULL,
"MathML", "MathMLP");
return (MathMLSSchema);
}
/*----------------------------------------------------------------------
GetSVGSSchema returns the SVG Thot schema for document doc.
----------------------------------------------------------------------*/
SSchema GetSVGSSchema (Document doc)
{
SSchema SVGSSchema;
SVGSSchema = TtaGetSSchema ("SVG", doc);
if (SVGSSchema == NULL)
SVGSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc), NULL,
"SVG", "SVGP");
return (SVGSSchema);
}
/*----------------------------------------------------------------------
GetXLinkSSchema returns the XLink Thot schema for document doc.
----------------------------------------------------------------------*/
SSchema GetXLinkSSchema (Document doc)
{
SSchema XLinkSSchema;
XLinkSSchema = TtaGetSSchema ("XLink", doc);
if (XLinkSSchema == NULL)
XLinkSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc), NULL,
"XLink", "XLinkP");
return (XLinkSSchema);
}
/* --------------------------------------------------------------------
GetTemplateSSchema returns the Template Thot schema for document doc.
--------------------------------------------------------------------*/
SSchema GetTemplateSSchema (Document doc)
{
SSchema TemplateSSchema;
TemplateSSchema = TtaGetSSchema ("Template",doc);
if (TemplateSSchema == NULL)
TemplateSSchema = TtaNewNature (doc, TtaGetDocumentSSchema(doc), NULL,
"Template", "TemplateP");
return (TemplateSSchema);
}
/*----------------------------------------------------------------------
GetTextSSchema returns the TextFile Thot schema for document doc.
(this is not XML, but its useful to have this function here).
----------------------------------------------------------------------*/
SSchema GetTextSSchema (Document doc)
{
SSchema XLinkSSchema;
XLinkSSchema = TtaGetSSchema ("TextFile", doc);
if (XLinkSSchema == NULL)
XLinkSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc), NULL,
"TextFile", "TextFileP");
return (XLinkSSchema);
}
/*----------------------------------------------------------------------
GetGenericXMLSSchema
Returns the XML Thot schema of name schemaName for the document doc.
----------------------------------------------------------------------*/
SSchema GetGenericXMLSSchema (char *schemaName, Document doc)
{
SSchema XMLSSchema;
XMLSSchema = TtaGetSSchema (schemaName, doc);
if (XMLSSchema == NULL)
XMLSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc), NULL,
"XML", "XMLP");
return (XMLSSchema);
}
/*----------------------------------------------------------------------
GetGenericXMLSSchemaByUri
Returns the XML Thot schema for the document doc.
----------------------------------------------------------------------*/
SSchema GetGenericXMLSSchemaByUri (char *uriName, Document doc, ThotBool *isnew)
{
SSchema XMLSSchema;
if (uriName == NULL)
XMLSSchema = NULL;
else
XMLSSchema = TtaGetSSchemaByUri (uriName, doc);
if (XMLSSchema == NULL)
{
XMLSSchema = TtaNewNature(doc, TtaGetDocumentSSchema(doc), uriName,
"XML", "XMLP");
*isnew = TRUE;
}
return (XMLSSchema);
}
/*----------------------------------------------------------------------
GetXMLSSchema returns the XML Thot schema for document doc.
----------------------------------------------------------------------*/
SSchema GetXMLSSchema (int XMLtype, Document doc)
{
if (XMLtype == XHTML_TYPE)
return GetXHTMLSSchema (doc);
else if (XMLtype == MATH_TYPE)
return GetMathMLSSchema (doc);
else if (XMLtype == SVG_TYPE)
return GetSVGSSchema (doc);
else if (XMLtype == XLINK_TYPE)
return GetXLinkSSchema (doc);
else if (XMLtype == Template_TYPE)
return GetTemplateSSchema (doc);
else
return NULL;
}
/*----------------------------------------------------------------------
MapXMLElementType
Generic function which searchs in the Element Mapping table, selected
by the parameter XMLtype, the entry XMLname and returns the corresponding
Thot element type.
Returns:
- ElTypeNum and ElSSchema into elType ElTypeNum = 0 if not found.
- content information about this entry
- checkProfile TRUE if the entry is valid for the current Doc profile.
----------------------------------------------------------------------*/
void MapXMLElementType (int XMLtype, char *XMLname, ElementType *elType,
char **mappedName, char *content,
ThotBool *checkProfile, Document doc)
{
ElemMapping *ptr;
char c;
int i, profile;
ThotBool xmlformat;
/* Initialize variables */
*mappedName = NULL;
*checkProfile = TRUE;
elType->ElTypeNum = 0;
profile = TtaGetDocumentProfile (doc);
if (profile == L_Annot)
profile = L_Other;
/* case sensitive comparison for xml documents */
xmlformat = (DocumentMeta[doc] && DocumentMeta[doc]->xmlformat);
/* Select the right table */
if (XMLtype == XHTML_TYPE)
{
ptr = XHTMLElemMappingTable;
/* no case sensitive whent there is an explicit "text/html" content_type */
if (xmlformat && DocumentMeta[doc] && DocumentMeta[doc]->content_type &&
!strcmp (DocumentMeta[doc]->content_type, "text/html"))
xmlformat = FALSE;
}
else if (XMLtype == MATH_TYPE)
{
if (profile == L_Basic && DocumentTypes[doc] == docHTML)
{
/* Maths are not allowed in this document */
ptr = NULL;
*checkProfile = FALSE;
}
else
ptr = MathMLElemMappingTable;
}
else if (XMLtype == SVG_TYPE)
{
if (profile == L_Basic && DocumentTypes[doc] == docHTML)
{
/* Graphics are not allowed in this document */
ptr = NULL;
*checkProfile = FALSE;
}
else
ptr = SVGElemMappingTable;
}
else if (XMLtype == Template_TYPE)
{
if (profile == L_Basic && DocumentTypes[doc] == docHTML)
{
/* Graphics are not allowed in this document */
ptr = NULL;
*checkProfile = FALSE;
}
else
ptr = TemplateElemMappingTable;
}
else
ptr = NULL;
if (ptr)
{
/* search in the ElemMappingTable */
i = 0;
/* case insensitive for HTML */
if (!xmlformat && ptr == XHTMLElemMappingTable)
c = tolower (XMLname[0]);
else
c = XMLname[0];
/* look for the first concerned entry in the table */
while (ptr[i].XMLname[0] < c && ptr[i].XMLname[0] != EOS)
i++;
/* look at all entries starting with the right character */
do
if (!xmlformat && ptr == XHTMLElemMappingTable &&
strcasecmp (ptr[i].XMLname, XMLname))
/* it's not the tag */
i++;
else if ((xmlformat || ptr != XHTMLElemMappingTable) &&
strcmp (ptr[i].XMLname, XMLname))
/* it's not the tag */
i++;
else if (profile != L_Other && !(ptr[i].Level & profile))
{
/* this tag is not valid in the document profile */
*checkProfile = FALSE;
i++;
}
else
{
elType->ElTypeNum = ptr[i].ThotType;
if (elType->ElSSchema == NULL)
{
if (XMLtype == Template_TYPE)
elType->ElSSchema = GetTemplateSSchema(doc);
else
elType->ElSSchema = GetXMLSSchema (XMLtype, doc);
}
*mappedName = ptr[i].XMLname;
*content = ptr[i].XMLcontents;
}
while (elType->ElTypeNum <= 0 && ptr[i].XMLname[0] == c);
}
}
/*----------------------------------------------------------------------
GetXMLElementName
Generic function which searchs in the mapping tables the XML name for
a given Thot type.
----------------------------------------------------------------------*/
char *GetXMLElementName (ElementType elType, Document doc)
{
ElemMapping *ptr;
char *name;
int i, profile;
ThotBool invalid = FALSE;
if (elType.ElTypeNum > 0)
{
i = 0;
/* Select the table which matches with the element schema */
name = TtaGetSSchemaName (elType.ElSSchema);
if (strcmp ("MathML", name) == 0)
ptr = MathMLElemMappingTable;
else if (strcmp ("SVG", name) == 0)
ptr = SVGElemMappingTable;
else if (strcmp ("HTML", name) == 0)
ptr = XHTMLElemMappingTable;
else
ptr = NULL;
profile = TtaGetDocumentProfile (doc);
if (profile == L_Annot)
profile = L_Other;
if (ptr)
do
{
if (ptr[i].ThotType == elType.ElTypeNum)
{
if (doc == 0 ||
profile == L_Other || (ptr[i].Level & profile))
return ptr[i].XMLname;
else
invalid = TRUE;
}
i++;
}
while (ptr[i].XMLname[0] != EOS);
}
if (invalid)
return "";
else
return "???";
}
/*----------------------------------------------------------------------
IsXMLElementInline
Generic function which searchs in the mapping tables if a given
Thot type is an inline character or not
----------------------------------------------------------------------*/
ThotBool IsXMLElementInline (ElementType elType, Document doc)
{
int i;
ThotBool ret = FALSE;
char *name;
ElemMapping *ptr;
if (elType.ElTypeNum > 0)
{
i = 0;
/* Select the table which matches with the element schema */
name = TtaGetSSchemaName (elType.ElSSchema);
if (strcmp ("MathML", name) == 0)
ptr = MathMLElemMappingTable;
else if (strcmp ("SVG", name) == 0)
ptr = SVGElemMappingTable;
else if (strcmp ("HTML", name) == 0)
ptr = XHTMLElemMappingTable;
else
ptr = NULL;
if (ptr)
{
while (ptr[i].XMLname[0] != EOS &&
ptr[i].ThotType != elType.ElTypeNum)
i++;
if (ptr[i].ThotType == elType.ElTypeNum)
ret = ptr[i].InlineElem;
}
}
return ret;
}
/*----------------------------------------------------------------------
MapMathMLAttributeValue
Search in the Attribute Value Mapping Table the entry for the attribute
ThotAtt and its value attVal. Returns the corresponding Thot value.
----------------------------------------------------------------------*/
void MapXMLAttributeValue (int XMLtype, char *attVal, const AttributeType *attrType,
int *value)
{
AttrValueMapping *ptr;
int i;
/* Select the right table */
if (XMLtype == XHTML_TYPE)
ptr = XhtmlAttrValueMappingTable;
else if (XMLtype == MATH_TYPE)
ptr = MathMLAttrValueMappingTable;
else if (XMLtype == SVG_TYPE)
ptr = SVGAttrValueMappingTable;
else
ptr = NULL;
*value = 0;
i = 0;
if (ptr == NULL)
return;
while (ptr[i].ThotAttr != attrType->AttrTypeNum && ptr[i].ThotAttr != 0)
i++;
if (ptr[i].ThotAttr == attrType->AttrTypeNum)
do
if (!strcmp (ptr[i].XMLattrValue, attVal))
*value = ptr[i].ThotAttrValue;
else
i++;
while (*value == 0 && ptr[i].ThotAttr == attrType->AttrTypeNum);
}
/*----------------------------------------------------------------------
MapXMLAttribute
Generic function which searchs in the Attribute Mapping Table (table)
the entry attrName associated to the element elementName.
Returns the corresponding entry or -1.
----------------------------------------------------------------------*/
int MapXMLAttribute (int XMLtype, char *attrName, char *elementName,
ThotBool *checkProfile, Document doc, int *thotType)
{
AttributeMapping *ptr;
char c;
int i, profile;
ThotBool xmlformat;
/* Initialization */
*checkProfile = TRUE;
i = 1;
*thotType = 0;
/* case sensitive comparison for xml documents */
xmlformat = (DocumentMeta[doc] && DocumentMeta[doc]->xmlformat);
/* Select the right table */
if (XMLtype == XHTML_TYPE)
{
ptr = XHTMLAttributeMappingTable;
/* no case sensitive whent there is an explicit "text/html" content_type */
if (xmlformat && DocumentMeta[doc] && DocumentMeta[doc]->content_type &&
!strcmp (DocumentMeta[doc]->content_type, "text/html"))
xmlformat = FALSE;
}
else if (XMLtype == MATH_TYPE)
ptr = MathMLAttributeMappingTable;
else if (XMLtype == SVG_TYPE)
ptr = SVGAttributeMappingTable;
#ifdef TEMPLATES
else if (XMLtype == Template_TYPE)
ptr = TemplateAttributeMappingTable;
#endif /* TEMPLATES */
else if (XMLtype == XLINK_TYPE)
ptr = XLinkAttributeMappingTable;
else
ptr = NULL;
if (ptr == NULL)
return -1;
if (strcmp (attrName, "unknown_attr") == 0)
{
*thotType = ptr[0].ThotAttribute;
return 0;
}
/* case insensitive for HTML */
if (!xmlformat && ptr == XHTMLAttributeMappingTable)
c = tolower (attrName[0]);
else
c = attrName[0];
profile = TtaGetDocumentProfile (doc);
if (profile == L_Annot)
profile = L_Other;
/* look for the first concerned entry in the table */
while (ptr[i].XMLattribute[0] < c && ptr[i].XMLattribute[0] != EOS)
i++;
while (ptr[i].XMLattribute[0] == c)
{
if (!xmlformat && ptr == XHTMLAttributeMappingTable &&
(strcasecmp (ptr[i].XMLattribute, attrName) ||
(ptr[i].XMLelement[0] != EOS && elementName &&
strcasecmp (ptr[i].XMLelement, elementName))))
i++;
else if ((xmlformat || ptr != XHTMLAttributeMappingTable) &&
(strcmp (ptr[i].XMLattribute, attrName) ||
(ptr[i].XMLelement[0] != EOS && elementName &&
strcmp (ptr[i].XMLelement, elementName))))
i++;
else if (profile != L_Other && !(ptr[i].Level & profile))
{
*checkProfile = FALSE;
i++;
}
else
{
/* Special case for the 'name' attribute for
elements 'a' and 'map' in xhtml1.1 profile */
if ((profile == L_Xhtml11) &&
!strcmp (attrName, "name") && elementName &&
(!strcmp (elementName, "a") || !strcmp (elementName, "map")))
*checkProfile = FALSE;
else
*thotType = ptr[i].ThotAttribute;
return (i);
}
}
return (-1);
}
/*----------------------------------------------------------------------
GetXMLAttributeName
Generic function which searchs in the mapping tables the XML name for
a given Thot type.
----------------------------------------------------------------------*/
char *GetXMLAttributeName (AttributeType attrType, ElementType elType,
Document doc)
{
AttributeMapping *ptr;
char *name, *tag;
int i, profile;
ThotBool invalid = FALSE;
if (attrType.AttrTypeNum > 0)
{
/* get the specific element tag */
if (elType.ElTypeNum > 0)
tag = GetXMLElementName (elType, doc);
else
tag = "";
i = 0;
/* Select the table which matches with the element schema */
name = TtaGetSSchemaName (attrType.AttrSSchema);
if (strcmp ("MathML", name) == 0)
ptr = MathMLAttributeMappingTable;
#ifdef _SVG
else if (strcmp ("SVG", name) == 0)
ptr = SVGAttributeMappingTable;
#endif /* _SVG */
else if (strcmp ("XLink", name) == 0)
ptr = XLinkAttributeMappingTable;
#ifdef TEMPLATES
else if (strcmp ("Template",name) == 0)
ptr = TemplateAttributeMappingTable;
#endif /* TEMPLATES */
else
ptr = XHTMLAttributeMappingTable;
profile = TtaGetDocumentProfile (doc);
if (profile == L_Annot)
profile = L_Other;
if (ptr)
do
{
if (ptr[i].ThotAttribute == attrType.AttrTypeNum &&
(ptr[i].XMLelement[0] == EOS ||
!strcmp (ptr[i].XMLelement, tag)))
{
if (doc != 0 &&
profile != L_Other &&
!(ptr[i].Level & profile))
invalid = TRUE;
else
return ptr[i].XMLattribute;
}
i++;
}
while (ptr[i].XMLattribute[0] != EOS);
}
if (invalid)
return "";
else
return "???";
}
/*----------------------------------------------------------------------
HasADoctype returns TRUE if the document includes a DocType
isMath returns TRUE if math entities are accepted.
----------------------------------------------------------------------*/
ThotBool HasADoctype (Document doc, ThotBool *isMath)
{
Element el_doc, el_doctype;
ElementType elType;
char *s;
/* Look for a doctype */
el_doc = TtaGetMainRoot (doc);
elType = TtaGetElementType (el_doc);
*isMath = FALSE;
/* Search the doctype declaration according to the main schema */
s = TtaGetSSchemaName (elType.ElSSchema);
if (strcmp (s, "HTML") == 0)
elType.ElTypeNum = HTML_EL_DOCTYPE;
else if (strcmp (s, "SVG") == 0)
elType.ElTypeNum = SVG_EL_DOCTYPE;
else if (strcmp (s, "MathML") == 0)
{
elType.ElTypeNum = MathML_EL_DOCTYPE;
*isMath = TRUE;
}
else
elType.ElTypeNum = XML_EL_doctype;
el_doctype = TtaSearchTypedElement (elType, SearchInTree, el_doc);
if (strcmp (s, "HTML") == 0)
{
// check the doctype
}
return (el_doctype != NULL);
}
/*----------------------------------------------------------------------
MapXMLEntity
Generic function which searchs in the Entity Mapping Table (table)
the entry entityName and give the corresponding decimal value.
Returns FALSE if entityName is not found.
----------------------------------------------------------------------*/
ThotBool MapXMLEntity (int XMLtype, char *entityName, int *entityValue)
{
XmlEntity *ptr;
ThotBool found;
int inf, sup, med, rescomp;
/* Initialization */
found = FALSE;
sup = 0;
/* Select the right table */
if (XMLtype == XHTML_TYPE)
{
ptr = XhtmlEntityTable;
if (XHTMLSup == 0)
for (XHTMLSup = 0; ptr[XHTMLSup].charCode > 0; XHTMLSup++);
sup = XHTMLSup;
}
else if (XMLtype == MATH_TYPE)
{
ptr = MathEntityTable;
if (MathSup == 0)
for (MathSup = 0; ptr[MathSup].charCode > 0; MathSup++);
sup = MathSup;
}
else
ptr = NULL;
if (ptr)
{
inf = 0;
while (sup >= inf && !found)
/* Dichotomic research */
{
med = (sup + inf) / 2;
rescomp = strcmp (ptr[med].charName, entityName);
if (rescomp == 0)
{
/* entity found */
*entityValue = ptr[med].charCode;
found = TRUE;
}
else
{
if (rescomp > 0)
sup = med - 1;
else
inf = med + 1;
}
}
}
return found;
}
/*----------------------------------------------------------------------
MapEntityByCode
Generic function which searchs in the Entity Mapping Table (table)
the entry with code entityValue and give the corresponding name.
Returns FALSE if entityValue is not found.
----------------------------------------------------------------------*/
void MapEntityByCode (int entityValue, Document doc, char **entityName)
{
XmlEntity *ptr;
ThotBool found, isMath;
int i;
if (!HasADoctype (doc, &isMath))
ptr = NULL;
else
/* Select the right table */
ptr = XhtmlEntityTable;
if (ptr)
{
/* look for in the HTML entities table */
found = FALSE;
while (ptr && !found)
{
for (i = 0; ptr[i].charCode >= 0 && !found; i++)
found = (ptr[i].charCode == entityValue);
if (found)
{
/* entity value found */
i--;
*entityName = (char *) (ptr[i].charName);
}
else if (isMath && ptr != MathEntityTable)
/* look for in the Math entities table */
ptr = MathEntityTable;
else
{
*entityName = NULL;
ptr = NULL;
}
}
}
else
*entityName = NULL;
}
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