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Last change on this file since 231 was 187, checked in by umoeller, 23 years ago
Misc updates.
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1
2	/*
3	*@@sourcefile xml.h:
4	* header file for xml.c (XML parsing).
5	*
6	* See remarks there.
7	*
8	*@@added V0.9.6 (2000-10-29) [umoeller]
9	*@@include #include <os2.h>
10	*@@include #include "expat\expat.h" // must come before xml.h
11	*@@include #include "helpers\linklist.h"
12	*@@include #include "helpers\tree.h"
13	*@@include #include "helpers\xstring.h"
14	*@@include #include "helpers\xml.h"
15	*/
16
17	#if __cplusplus
18	extern "C" {
19	#endif
20
21	#ifndef XML_HEADER_INCLUDED
22	#define XML_HEADER_INCLUDED
23
24	// define some basic things to make this work even with standard C
25	#if (!defined OS2_INCLUDED) && (!defined _OS2_H) && (!defined __SIMPLES_DEFINED) // changed V0.9.0 (99-10-22) [umoeller]
26	typedef unsigned long BOOL;
27	typedef unsigned long ULONG;
28	typedef unsigned char *PSZ;
29	#define TRUE (BOOL)1
30	#define FALSE (BOOL)0
31
32	#ifdef __IBMCPP__ // added V0.9.0 (99-10-22) [umoeller]
33	#define APIENTRY _System
34	#endif
35
36	#define __SIMPLES_DEFINED
37	#endif
38
39	/* ******************************************************************
40	*
41	* Error handling
42	*
43	********************************************************************/
44
45	// ERROR_XML_FIRST is defined in expat\expat.h;
46	// the range up to ERROR_XML_FIRST + 24 is used
47	// by expat
48
49	// START MATCHING ERROR MESSAGES (xmlDescribeError)
50	// validity errors:
51	#define ERROR_DOM_UNDECLARED_ELEMENT (ERROR_XML_FIRST + 24)
52	// invalidity: element is undeclared
53	#define ERROR_DOM_ROOT_ELEMENT_MISNAMED (ERROR_XML_FIRST + 25)
54	#define ERROR_DOM_INVALID_ROOT_ELEMENT (ERROR_XML_FIRST + 26)
55	#define ERROR_DOM_INVALID_SUBELEMENT (ERROR_XML_FIRST + 27)
56	// subelement may not appear in its parent element
57	#define ERROR_DOM_DUPLICATE_ELEMENT_DECL (ERROR_XML_FIRST + 28)
58	// more than one declaration for an element type
59	#define ERROR_DOM_DUPLICATE_ATTRIBUTE_DECL (ERROR_XML_FIRST + 29)
60	// more than one declaration for an attribute type
61	#define ERROR_DOM_UNDECLARED_ATTRIBUTE (ERROR_XML_FIRST + 30)
62	#define ERROR_ELEMENT_CANNOT_HAVE_CONTENT (ERROR_XML_FIRST + 31)
63	// element was declared "empty" and contains text anyway,
64	// or was declared "children" and contains something other
65	// than whitespace
66	#define ERROR_DOM_INVALID_ATTRIB_VALUE (ERROR_XML_FIRST + 32)
67	#define ERROR_DOM_REQUIRED_ATTRIBUTE_MISSING (ERROR_XML_FIRST + 33)
68	#define ERROR_DOM_SUBELEMENT_IN_EMPTY_ELEMENT (ERROR_XML_FIRST + 34)
69	// END MATCHING ERROR MESSAGES (xmlDescribeError)
70
71	// error categories:
72	#define ERROR_DOM_PARSING (ERROR_XML_FIRST + 35)
73	#define ERROR_DOM_VALIDITY (ERROR_XML_FIRST + 36)
74
75	// additional DOM errors
76	#define ERROR_DOM_NODETYPE_NOT_SUPPORTED (ERROR_XML_FIRST + 37)
77	// invalid node type in xmlCreateDomNode
78	#define ERROR_DOM_NO_DOCUMENT (ERROR_XML_FIRST + 38)
79	// cannot find document node
80	#define ERROR_DOM_NO_ELEMENT (ERROR_XML_FIRST + 39)
81	#define ERROR_DOM_DUPLICATE_DOCTYPE (ERROR_XML_FIRST + 40)
82	#define ERROR_DOM_DOCTYPE_ROOT_NAMES_MISMATCH (ERROR_XML_FIRST + 41)
83	// DOCTYPE is given and root element name does not match doctype name
84	#define ERROR_DOM_INTEGRITY (ERROR_XML_FIRST + 42)
85	#define ERROR_DOM_DUPLICATE_ATTRIBUTE (ERROR_XML_FIRST + 43)
86
87	#define ERROR_DOM_VALIDATE_INVALID_ELEMENT (ERROR_XML_FIRST + 44)
88	#define ERROR_DOM_ELEMENT_DECL_OUTSIDE_DOCTYPE (ERROR_XML_FIRST + 45)
89	#define ERROR_DOM_ATTLIST_DECL_OUTSIDE_DOCTYPE (ERROR_XML_FIRST + 46)
90
91	#define ERROR_DOM_INCOMPLETE_ENCODING_MAP (ERROR_XML_FIRST + 47)
92	// callback to UnknownEncodingHandler has provided
93	// an incomplete encoding map V0.9.14 (2001-08-09) [umoeller]
94
95	#define ERROR_DOM_INVALID_EXTERNAL_HANDLER (ERROR_XML_FIRST + 48)
96
97	#define ERROR_XML_LAST (ERROR_XML_FIRST + 48)
98
99	const char* xmlDescribeError(int code);
100
101	/* ******************************************************************
102	*
103	* Most basic node management
104	*
105	********************************************************************/
106
107	// content model node types:
108	typedef enum _NODEBASETYPE
109	{
110	TYPE_UNKNOWN,
111
112	DOMNODE_ELEMENT, // node is a DOM ELEMENT
113	DOMNODE_ATTRIBUTE, // node is a DOM ATTRIBUTE
114	DOMNODE_TEXT, // node is a DOM TEXT node
115	// DOMNODE_CDATA_SECTION 4
116	// DOMNODE_ENTITY_REFERENCE 5
117	// DOMNODE_ENTITY 6
118	DOMNODE_PROCESSING_INSTRUCTION, // node is a DOM PI
119	DOMNODE_COMMENT, // node is a DOM COMMENT
120	DOMNODE_DOCUMENT, // node is a DOM document
121	DOMNODE_DOCUMENT_TYPE, // node is a DOM DOCUMENTTYPE
122	// #define DOMNODE_DOCUMENT_FRAGMENT 11
123	// #define DOMNODE_NOTATION 12
124
125	// the following are all CMELEMENTPARTICLE nodes
126	ELEMENTPARTICLE_EMPTY,
127	ELEMENTPARTICLE_ANY,
128	ELEMENTPARTICLE_MIXED,
129	ELEMENTPARTICLE_CHOICE,
130	ELEMENTPARTICLE_SEQ,
131	ELEMENTPARTICLE_NAME,
132
133	ATTRIBUTE_DECLARATION_BASE, // node is a CMATTRIBUTEDECLBASE
134	ATTRIBUTE_DECLARATION, // node is a CMATTRIBUTEDECL
135	ATTRIBUTE_DECLARATION_ENUM // node is a plain NODEBASE, part of an attr value enum
136	} NODEBASETYPE;
137
138	/*
139	*@@ NODEBASE:
140	* root class of all nodes used in the
141	* DOM tree.
142	*
143	* The first item is a TREE to make this insertable
144	* into string maps via the functions in tree.c.
145	*
146	* A NODEBASE is also the first member of a DOMNODE
147	* so this is effectively a simulation of inheritance
148	* in plain C... DOMNODE inherits from NODEBASE,
149	* and some other types inherit from DOMNODE.
150	*
151	* This contains the node name, which is also used
152	* by the DOMNODE's (e.g. for element names).
153	* However, only DOMNODE defines the node value
154	* string.
155	*
156	*@@added V0.9.9 (2001-02-14) [umoeller]
157	*/
158
159	typedef struct _NODEBASE
160	{
161	TREE Tree; // tree.c
162	// ulKey simply points to the strNodeName
163	// member always V0.9.13 (2001-06-27) [umoeller]
164
165	NODEBASETYPE ulNodeType; // class type; this is precious,
166	// all xml* functions make assumptions
167	// from this value
168
169	XSTRING strNodeName;
170	// node name;
171	// -- for the various DOMNODE_* items, see _DOMNODE;
172	// -- for CMELEMENTPARTICLE nodes, this is the particle's name
173	// -- for CMELEMENTDECLNODE nodes, element name being declared
174	// -- for CMATTRIBUTEDECLBASE nodes, name of element to which this
175	// attrib decl belongs
176	// -- for CMATTRIBUTEDECL nodes, name of attribute;
177	// -- for ATTRIBUTE_DECLARATION_ENUM, attribute value in the
178	// possible values list.
179
180	} NODEBASE, *PNODEBASE;
181
182	/* ******************************************************************
183	*
184	* DOM level 1
185	*
186	********************************************************************/
187
188	/*
189	*@@ DOMNODE:
190	* this represents one @DOM node in an @XML document.
191	*
192	* The document itself is represented by a node with the
193	* DOMNODE_DOCUMENT type, which is the root of a tree as
194	* shown with xmlParse.
195	*
196	* The contents of the members vary according
197	* to ulNodeType (0 specifies that the field does not
198	* apply to that type).
199	*
200	* The first member of a DOMNODE is a NODEBASE to allow
201	* inserting these things in a tree. NODEBASE.ulNodeType
202	* _always_ specifies the various types that are using
203	* that structure to allow for type-safety (if we watch out).
204	* This is for faking inheritance.
205	*
206	* Note that we also implement specialized sub-structures of
207	* DOMNODE, whose first member is the DOMNODE (and therefore
208	* a NODEBASE as well):
209	*
210	* -- DOCUMENT nodes are given a _DOMDOCUMENTNODE structure.
211	*
212	* -- DOCTYPE nodes are given a _DOMDOCTYPENODE structure.
213	*
214	* Overview of member fields usage:
215	+
216	+ ulNodeType \| strNodeName \| strNodeValue \| llChildren \| AttributesMap
217	+ (NODEBASE) \| (NODEBASE) \| (DOMNODE) \| (DOMNODE) \| (DOMNODE)
218	+ =======================================================================
219	+ \| \| \| \|
220	+ DOCUMENT \| name from \| 0 \| 1 root \| 0
221	+ \| DOCTYPE or \| \| ELEMENT \|
222	+ \| NULL \| \| \|
223	+ \| \| \| \|
224	+ --------------+-------------+--------------+------------+--------------
225	+ \| \| \| \|
226	+ ELEMENT \| tag name \| 0 \| ELEMENT \| ATTRIBUTE
227	+ \| \| \| nodes \| nodes
228	+ \| \| \| \|
229	+ --------------+-------------+--------------+------------+--------------
230	+ \| \| \| \|
231	+ ATTRIBUTE \| attribute \| attribute \| 0 \| 0
232	+ \| name \| value \| \|
233	+ \| \| \| \|
234	+ --------------+-------------+--------------+------------+--------------
235	+ \| \| \| \|
236	+ TEXT \| 0 \| text \| 0 \| 0
237	+ \| \| contents \| \|
238	+ \| \| \| \|
239	+ --------------+-------------+--------------+------------+--------------
240	+ \| \| \| \|
241	+ COMMENT \| 0 \| comment \| 0 \| 0
242	+ \| \| contents \| \|
243	+ \| \| \| \|
244	+ --------------+-------------+--------------+------------+--------------
245	+ \| \| \| \|
246	+ PI \| PI target \| PI data \| 0 \| 0
247	+ \| \| \| \|
248	+ \| \| \| \|
249	+ --------------+-------------+--------------+------------+--------------
250	+ \| \| \| \|
251	+ DOCTYPE \| doctype \| \| 0 \| 0
252	+ \| name \| \| \|
253	+ \| \| \| \|
254	+
255	* The xwphelpers implementation does not implement CDATA sections,
256	* for which we have no need because @expat properly converts these
257	* into plain @content.
258	*
259	* In addition, W3C DOM specifies that the "node name" members contain
260	* "#document", "#text", and "#comment" strings for DOCUMENT,
261	* TEXT, and COMMENT nodes, respectively. I see no point in this other
262	* than consuming memory, so these fields are empty with this implementation.
263	*/
264
265	typedef struct _DOMNODE
266	{
267	NODEBASE NodeBase;
268
269	PXSTRING pstrNodeValue; // ptr is NULL if none
270
271	struct _DOMNODE *pParentNode;
272	// the parent node;
273	// NULL for DOCUMENT, DOCUMENT_FRAGMENT.
274	// The DOM spec says that attribs have no parent,
275	// but even though the attribute is not added to
276	// the "children" list of an element (but to the
277	// attributes map instead), we specify the element
278	// as the attribute's parent here.
279
280	struct _DOMNODE *pDocumentNode;
281	// the document node, unless this is a DOCUMENT in itself.
282
283	LINKLIST llChildren; // of DOMNODE* pointers, no auto-free
284
285	TREE AttributesMap; // of DOMNODE pointers
286
287	} DOMNODE, *PDOMNODE;
288
289	/*
290	*@@ DOMDOCTYPENODE:
291	* specific _DOMNODE replacement structure which
292	* is used for DOCTYPE nodes.
293	*
294	* The DOMDOCTYPENODE is special (other than having
295	* extra fields) in that it is stored both in
296	* the document node's children list and in its
297	* pDocType field.
298	*
299	* DOMNODE.pstrNodeName is set to the name in the
300	* DOCTYPE statement by xmlCreateDocumentTypeNode,
301	* or is NULL if there's no DOCTYPE.
302	*
303	*@@added V0.9.9 (2001-02-14) [umoeller]
304	*/
305
306	typedef struct _DOMDOCTYPENODE
307	{
308	DOMNODE DomNode;
309
310	XSTRING strPublicID;
311	XSTRING strSystemID;
312
313	BOOL fHasInternalSubset;
314
315	TREE *ElementDeclsTree;
316	// tree with pointers to _CMELEMENTDECLNODE nodes
317
318	TREE *AttribDeclBasesTree;
319	// tree with pointers to _CMATTRIBUTEDECLBASE nodes
320
321	} DOMDOCTYPENODE, *PDOMDOCTYPENODE;
322
323	/*
324	*@@ DOMDOCUMENTNODE:
325	* specific _DOMNODE replacement structure which
326	* is used for DOCUMENT nodes.
327	*
328	*@@added V0.9.9 (2001-02-14) [umoeller]
329	*/
330
331	typedef struct _DOMDOCUMENTNODE
332	{
333	DOMNODE DomNode;
334
335	PDOMDOCTYPENODE pDocType;
336	// != NULL if DOCTYPE was found
337
338	} DOMDOCUMENTNODE, *PDOMDOCUMENTNODE;
339
340	APIRET xmlCreateDomNode(PDOMNODE pParentNode,
341	NODEBASETYPE ulNodeType,
342	const char *pcszNodeName,
343	ULONG ulNodeNameLength,
344	PDOMNODE *ppNew);
345
346	VOID xmlDeleteNode(PNODEBASE pNode);
347
348	/* ******************************************************************
349	*
350	* Specific DOM node constructors
351	*
352	********************************************************************/
353
354	APIRET xmlCreateElementNode(PDOMNODE pParent,
355	const char *pcszElement,
356	PDOMNODE *ppNew);
357
358	APIRET xmlCreateAttributeNode(PDOMNODE pElement,
359	const char *pcszName,
360	const char *pcszValue,
361	PDOMNODE *ppNew);
362
363	APIRET xmlCreateTextNode(PDOMNODE pParent,
364	const char *pcszText,
365	ULONG ulLength,
366	PDOMNODE *ppNew);
367
368	APIRET xmlCreateCommentNode(PDOMNODE pParent,
369	const char *pcszText,
370	PDOMNODE *ppNew);
371
372	APIRET xmlCreatePINode(PDOMNODE pParent,
373	const char *pcszTarget,
374	const char *pcszData,
375	PDOMNODE *ppNew);
376
377	APIRET xmlCreateDocumentTypeNode(PDOMDOCUMENTNODE pDocumentNode,
378	const char *pcszDoctypeName,
379	const char *pcszSysid,
380	const char *pcszPubid,
381	int fHasInternalSubset,
382	PDOMDOCTYPENODE *ppNew);
383
384	/* ******************************************************************
385	*
386	* DOM level 3 content models
387	*
388	********************************************************************/
389
390	// data types (XML schemes):
391	#define STRING_DATATYPE 1
392	#define BOOLEAN_DATATYPE 2
393	#define FLOAT_DATATYPE 3
394	#define DOUBLE_DATATYPE 4
395	#define LONG_DATATYPE 5
396	#define INT_DATATYPE 6
397	#define SHORT_DATATYPE 7
398	#define BYTE_DATATYPE 8
399
400	/*
401	*@@ CMELEMENTPARTICLE:
402	* element declaration particle in a
403	* _CMELEMENTDECLNODE.
404	*
405	* One of these structures is a full
406	* (non-pointer) member in _CMELEMENTDECLNODE.
407	* This struct in turn has a linked list with
408	* possible subnodes. See _CMELEMENTDECLNODE.
409	*
410	*@@added V0.9.9 (2001-02-16) [umoeller]
411	*/
412
413	typedef struct _CMELEMENTPARTICLE
414	{
415	NODEBASE NodeBase; // has TREE* as first item in turn
416	// NODEBASE.ulNodeType may be one of these:
417	// -- ELEMENTPARTICLE_EMPTY:
418	// ulRepeater will be XML_CQUANT_NONE, rest is NULL
419	// -- ELEMENTPARTICLE_ANY:
420	// ulRepeater will be XML_CQUANT_NONE, rest is NULL
421	// -- ELEMENTPARTICLE_MIXED:
422	// mixed content (with PCDATA); if the list contains
423	// something, the element may have PCDATA and sub-elements
424	// mixed
425	// -- ELEMENTPARTICLE_CHOICE:
426	// list is a choicelist
427	// -- ELEMENTPARTICLE_SEQ:
428	// list is a seqlist
429	// -- ELEMENTPARTICLE_NAME:
430	// used for terminal particles in a parent particle's
431	// list, which finally specifies the name of a sub-particle.
432	// This can never appear in a root particle.
433
434	ULONG ulRepeater;
435	// one of:
436	// -- XML_CQUANT_NONE --> all fields below are NULL
437	// -- XML_CQUANT_OPT, question mark
438	// -- XML_CQUANT_REP, asterisk
439	// -- XML_CQUANT_PLUS plus sign
440
441	struct _CMELEMENTPARTICLE *pParentParticle; // or NULL if this is in the
442	// CMELEMENTDECLNODE
443
444	PLINKLIST pllSubNodes;
445	// linked list of sub-CMELEMENTPARTICLE structs
446	// (for mixed, choice, seq types);
447	// if NULL, there's no sub-CMELEMENTPARTICLE
448
449	} CMELEMENTPARTICLE, *PCMELEMENTPARTICLE;
450
451	/*
452	*@@ CMELEMENTDECLNODE:
453	* representation of an @element_declaration within a
454	* _DOMDOCTYPENODE (a document @DTD).
455	*
456	* This is complicated because element declarations
457	* are complicated with nested lists and content
458	* particles. For this, we introduce the representation
459	* of a _CMELEMENTPARTICLE, which is contained in the
460	* "Particle" member.
461	*
462	* For minimal memory consumption, the _CMELEMENTDECLNODE
463	* is an _CMELEMENTPARTICLE with extra fields, while the
464	* list in _CMELEMENTPARTICLE points to plain
465	* _CMELEMENTPARTICLE structs only.
466	*
467	* For the "root" element declaration in the DTD,
468	* Particle.NODEBASE.ulNodeType will always be one of the following:
469	*
470	* -- ELEMENTPARTICLE_EMPTY: element must be empty.
471	*
472	* -- ELEMENTPARTICLE_ANY: element can have any content.
473	*
474	* -- ELEMENTPARTICLE_CHOICE: _CMELEMENTPARTICLE has a choicelist with
475	* more _CMELEMENTPARTICLE structs.
476	*
477	* -- ELEMENTPARTICLE_SEQ: _CMELEMENTPARTICLE has a seqlist with
478	* more _CMELEMENTPARTICLE structs.
479	*
480	* -- ELEMENTPARTICLE_MIXED: element can have mixed content including #PCDATA.
481	* If there is no content particle list, then the element may
482	* ONLY have PCDATA. If there's a content particle list, then the
483	* element may have both sub-elements and PCDATA. Oh my.
484	*
485	*@@added V0.9.9 (2001-02-14) [umoeller]
486	*/
487
488	typedef struct _CMELEMENTDECLNODE
489	{
490	CMELEMENTPARTICLE Particle;
491	// root particle for this element decl; this may contain
492	// sub-particles...
493	// this has a NODEBASE as first member, which has TREE* as
494	// first item in turn
495
496	TREE *ParticleNamesTree;
497	// tree sorted by element names with all sub-particles,
498	// no matter how deeply nested; this is just for quickly
499	// checking if an element name is allowed as a sub-element
500	// at all. Tree items are _CMELEMENTPARTICLE nodes.
501
502	} CMELEMENTDECLNODE, *PCMELEMENTDECLNODE;
503
504	typedef enum _ATTRIBCONSTRAINT
505	{
506	CMAT_IMPLIED,
507	CMAT_REQUIRED,
508	CMAT_DEFAULT_VALUE,
509	CMAT_FIXED_VALUE
510	} ATTRIBCONSTRAINT;
511
512	typedef enum _ATTRIBTYPE
513	{
514	CMAT_CDATA,
515	CMAT_ID,
516	CMAT_IDREF,
517	CMAT_IDREFS,
518	CMAT_ENTITY,
519	CMAT_ENTITIES,
520	CMAT_NMTOKEN,
521	CMAT_NMTOKENS,
522	CMAT_ENUM
523	} ATTRIBTYPE;
524
525	/*
526	*@@ CMATTRIBUTEDECL:
527	* single attribute declaration within the attribute
528	* declarations tree in _CMATTRIBUTEDECLBASE.
529	*
530	*@@added V0.9.9 (2001-02-16) [umoeller]
531	*/
532
533	typedef struct _CMATTRIBUTEDECL
534	{
535	NODEBASE NodeBase; // has TREE* as first item in turn
536	// NodeBase.strName is attribute name
537
538	ATTRIBTYPE ulAttrType;
539	// one of:
540	// -- CMAT_CDATA
541	// -- CMAT_ID
542	// -- CMAT_IDREF
543	// -- CMAT_IDREFS
544	// -- CMAT_ENTITY
545	// -- CMAT_ENTITIES
546	// -- CMAT_NMTOKEN
547	// -- CMAT_NMTOKENS
548	// -- CMAT_ENUM: pllEnum lists the allowed values.
549	TREE *ValuesTree;
550	// enumeration of allowed values, if CMAT_ENUM;
551	// tree entries are plain NODEBASEs with
552	// ATTRIBUTE_DECLARATION_ENUM type
553
554	ATTRIBCONSTRAINT ulConstraint;
555	// one of:
556	// -- CMAT_IMPLIED: attrib can have any value.
557	// -- CMAT_REQUIRED: attrib must be specified.
558	// -- CMAT_DEFAULT_VALUE: attrib is optional and has default
559	// value as in pstrDefaultValue.
560	// -- CMAT_FIXED_VALUE: attrib is optional, but must have
561	// fixed value as in pstrDefaultValue.
562	PXSTRING pstrDefaultValue;
563	// default value of this attribute; NULL with implied or required
564
565	} CMATTRIBUTEDECL, *PCMATTRIBUTEDECL;
566
567	/*
568	*@@ CMATTRIBUTEDECLBASE:
569	* representation of an @attribute_declaration.
570	*
571	* I'd love to have stored the attribute declarations with
572	* the element specifications, but the XML spec says that
573	* attribute declarations are allowed even if no element
574	* declaration exists for the element to which the attribute
575	* belongs. Now, whatever this is good for... anyway, this
576	* forces us to do a second tree in the _DOMDOCTYPENODE node
577	* according to attribute's element names.
578	*
579	*@@added V0.9.9 (2001-02-14) [umoeller]
580	*/
581
582	typedef struct _CMATTRIBUTEDECLBASE
583	{
584	NODEBASE NodeBase; // has TREE* as first item in turn
585	// NodeBase.strName is element name
586
587	TREE *AttribDeclsTree;
588	// root of tree with CMATTRIBUTEDECL;
589
590	} CMATTRIBUTEDECLBASE, *PCMATTRIBUTEDECLBASE;
591
592	/*
593	*@@ CMENTITYDECLNODE:
594	*
595	* See @entity_declaration.
596	*
597	*@@added V0.9.9 (2001-02-14) [umoeller]
598	*/
599
600	typedef struct _CMENTITYDECLNODE
601	{
602	NODEBASE NodeBase;
603	} CMENTITYDECLNODE, *PCMENTITYDECLNODE;
604
605	/*
606	*@@ CMNOTATIONDECLNODE:
607	*
608	* See @notation_declaration.
609	*
610	*@@added V0.9.9 (2001-02-14) [umoeller]
611	*/
612
613	typedef struct _CMNOTATIONDECLNODE
614	{
615	NODEBASE NodeBase;
616	} CMNOTATIONDECLNODE, *PCMNOTATIONDECLNODE;
617
618	APIRET xmlCreateElementDecl(const char *pcszName,
619	PXMLCONTENT pModel,
620	PCMELEMENTDECLNODE *ppNew);
621
622	/* ******************************************************************
623	*
624	* DOM parser APIs
625	*
626	********************************************************************/
627
628	typedef struct _XMLDOM *PXMLDOM;
629
630	typedef int APIENTRY FNGETCPDATA(PXMLDOM pDom, ULONG ulCP, int *piMap);
631	typedef FNGETCPDATA *PFNGETCPDATA;
632
633	typedef APIRET APIENTRY FNEXTERNALHANDLER(PXMLDOM pDom,
634	XML_Parser pSubParser,
635	const char *pcszSystemID,
636	const char *pcszPublicID);
637	typedef FNEXTERNALHANDLER *PFNEXTERNALHANDLER;
638
639	/*
640	*@@ STATICSYSTEMID:
641	* specification of a supported static system
642	* ID, which is most helpful with predefined
643	* DTD's.
644	*
645	* An array of this structure can be passed to
646	* xmlCreateDOM to avoid having to supply an
647	* external entity reference callback.
648	*
649	* This has one system ID with a corresponding
650	* contents (normally a DTD) so the
651	* implementation's external entity handler can
652	* parse the doctype automatically.
653	*
654	*@@added V0.9.20 (2002-07-06) [umoeller]
655	*/
656
657	typedef struct _STATICSYSTEMID
658	{
659	PCSZ pcszSystemId;
660	// possible system ID specified in DTD, e.g. "warpin.dtd"
661	// (without quotes)
662
663	PCSZ pcszContent;
664	// corresponding external DTD subset without square brackets,
665	// e.g. "<!ELEMENT job EMPTY >\n"
666	// (without quotes)
667
668	} STATICSYSTEMID, *PSTATICSYSTEMID;
669
670	/*
671	*@@ XMLDOM:
672	* DOM instance returned by xmlCreateDOM.
673	*
674	*@@added V0.9.9 (2001-02-14) [umoeller]
675	*/
676
677	typedef struct _XMLDOM
678	{
679	/*
680	* Public fields (should be read only)
681	*/
682
683	PDOMDOCUMENTNODE pDocumentNode;
684	// document node (contains all the elements)
685
686	PDOMDOCTYPENODE pDocTypeNode;
687	// != NULL only if the document has a DOCTYPE
688
689	// error handling
690	APIRET arcDOM; // validation errors etc.;
691	// if != 0, this has a detailed
692	// expat or DOM error code
693	BOOL fInvalid; // TRUE if validation failed
694	// (parser error otherwise)
695
696	const char *pcszErrorDescription; // error description
697	PXSTRING pxstrSystemID; // system ID of external entity
698	// where error occured, or NULL
699	// if in main document
700	ULONG ulErrorLine; // line where error occured
701	ULONG ulErrorColumn; // column where error occured
702	PXSTRING pxstrFailingNode; // element or attribute name
703	// or NULL
704
705	/*
706	* Private fields (for xml* functions)
707	*/
708
709	// params copied from xmlCreateDOM
710	ULONG flParserFlags;
711	PFNGETCPDATA pfnGetCPData;
712	PFNEXTERNALHANDLER pfnExternalHandler;
713	PVOID pvCallbackUser;
714	const STATICSYSTEMID *paSystemIds;
715	ULONG cSystemIds;
716
717	XML_Parser pParser;
718	// expat parser instance
719
720	LINKLIST llElementStack;
721	// stack for maintaining the current items;
722	// these point to DOMSTACKITEMs (auto-free)
723
724	PDOMNODE pLastWasTextNode;
725
726	PCMATTRIBUTEDECLBASE pAttListDeclCache;
727	// cache for attribute declarations according
728	// to attdecl element name
729	} XMLDOM;
730
731	#define DF_PARSECOMMENTS 0x0001
732	#define DF_PARSEDTD 0x0002
733	#define DF_FAIL_IF_NO_DTD 0x0004
734	#define DF_DROP_WHITESPACE 0x0008
735
736	APIRET xmlCreateDOM(ULONG flParserFlags,
737	const STATICSYSTEMID *paSystemIds,
738	ULONG cSystemIds,
739	PFNGETCPDATA pfnGetCPData,
740	PFNEXTERNALHANDLER pfnExternalHandler,
741	PVOID pvCallbackUser,
742	PXMLDOM *ppDom);
743
744	APIRET xmlParse(PXMLDOM pDom,
745	const char *pcszBuf,
746	ULONG cb,
747	BOOL fIsLast);
748
749	VOID xmlDump(PXMLDOM pDom);
750
751	APIRET xmlFreeDOM(PXMLDOM pDom);
752
753	/* ******************************************************************
754	*
755	* DOM lookup
756	*
757	********************************************************************/
758
759	PCMELEMENTDECLNODE xmlFindElementDecl(PXMLDOM pDom,
760	const XSTRING *pcszElementName);
761
762	PCMATTRIBUTEDECLBASE xmlFindAttribDeclBase(PXMLDOM pDom,
763	const XSTRING *pstrElementName);
764
765	PCMATTRIBUTEDECL xmlFindAttribDecl(PXMLDOM pDom,
766	const XSTRING *pstrElementName,
767	const XSTRING *pstrAttribName,
768	PCMATTRIBUTEDECLBASE *ppAttribDeclBase);
769
770	PDOMNODE xmlGetRootElement(PXMLDOM pDom);
771
772	PDOMNODE xmlGetFirstChild(PDOMNODE pDomNode);
773
774	PDOMNODE xmlGetLastChild(PDOMNODE pDomNode);
775
776	PDOMNODE xmlGetFirstText(PDOMNODE pElement);
777
778	PLINKLIST xmlGetElementsByTagName(PDOMNODE pParent,
779	const char *pcszName);
780
781	const XSTRING* xmlGetAttribute(PDOMNODE pElement,
782	const char *pcszAttribName);
783
784	/* ******************************************************************
785	*
786	* DOM build
787	*
788	********************************************************************/
789
790	APIRET xmlCreateDocument(const char *pcszRootElementName,
791	PDOMDOCUMENTNODE *ppDocument,
792	PDOMNODE *ppRootElement);
793
794	APIRET xmlWriteDocument(PDOMDOCUMENTNODE pDocument,
795	const char *pcszEncoding,
796	const char *pcszDoctype,
797	PXSTRING pxstr);
798	#endif
799
800	#if __cplusplus
801	}
802	#endif
803

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