1 /*
2  * Summary: incomplete XML Schemas structure implementation
3  * Description: interface to the XML Schemas handling and schema validity
4  *              checking, it is incomplete right now.
5  *
6  * Copy: See Copyright for the status of this software.
7  *
8  * Author: Daniel Veillard
9  */
10 
11 
12 #ifndef __XML_SCHEMA_H__
13 #define __XML_SCHEMA_H__
14 
15 #include <libxml/xmlversion.h>
16 
17 #ifdef LIBXML_SCHEMAS_ENABLED
18 
19 #include <libxml/tree.h>
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 /**
26  * This error codes are obsolete; not used any more.
27  */
28 typedef enum {
29     XML_SCHEMAS_ERR_OK		= 0,
30     XML_SCHEMAS_ERR_NOROOT	= 1,
31     XML_SCHEMAS_ERR_UNDECLAREDELEM,
32     XML_SCHEMAS_ERR_NOTTOPLEVEL,
33     XML_SCHEMAS_ERR_MISSING,
34     XML_SCHEMAS_ERR_WRONGELEM,
35     XML_SCHEMAS_ERR_NOTYPE,
36     XML_SCHEMAS_ERR_NOROLLBACK,
37     XML_SCHEMAS_ERR_ISABSTRACT,
38     XML_SCHEMAS_ERR_NOTEMPTY,
39     XML_SCHEMAS_ERR_ELEMCONT,
40     XML_SCHEMAS_ERR_HAVEDEFAULT,
41     XML_SCHEMAS_ERR_NOTNILLABLE,
42     XML_SCHEMAS_ERR_EXTRACONTENT,
43     XML_SCHEMAS_ERR_INVALIDATTR,
44     XML_SCHEMAS_ERR_INVALIDELEM,
45     XML_SCHEMAS_ERR_NOTDETERMINIST,
46     XML_SCHEMAS_ERR_CONSTRUCT,
47     XML_SCHEMAS_ERR_INTERNAL,
48     XML_SCHEMAS_ERR_NOTSIMPLE,
49     XML_SCHEMAS_ERR_ATTRUNKNOWN,
50     XML_SCHEMAS_ERR_ATTRINVALID,
51     XML_SCHEMAS_ERR_VALUE,
52     XML_SCHEMAS_ERR_FACET,
53     XML_SCHEMAS_ERR_,
54     XML_SCHEMAS_ERR_XXX
55 } xmlSchemaValidError;
56 
57 /*
58 * ATTENTION: Change xmlSchemaSetValidOptions's check
59 * for invalid values, if adding to the validation
60 * options below.
61 */
62 /**
63  * xmlSchemaValidOption:
64  *
65  * This is the set of XML Schema validation options.
66  */
67 typedef enum {
68     XML_SCHEMA_VAL_VC_I_CREATE			= 1<<0
69 	/* Default/fixed: create an attribute node
70 	* or an element's text node on the instance.
71 	*/
72 } xmlSchemaValidOption;
73 
74 /*
75     XML_SCHEMA_VAL_XSI_ASSEMBLE			= 1<<1,
76 	* assemble schemata using
77 	* xsi:schemaLocation and
78 	* xsi:noNamespaceSchemaLocation
79 */
80 
81 /**
82  * The schemas related types are kept internal
83  */
84 typedef struct _xmlSchema xmlSchema;
85 typedef xmlSchema *xmlSchemaPtr;
86 
87 /**
88  * A schemas validation context
89  */
90 typedef void (XMLCDECL *xmlSchemaValidityErrorFunc) (void *ctx, const char *msg, ...);
91 typedef void (XMLCDECL *xmlSchemaValidityWarningFunc) (void *ctx, const char *msg, ...);
92 
93 typedef struct _xmlSchemaParserCtxt xmlSchemaParserCtxt;
94 typedef xmlSchemaParserCtxt *xmlSchemaParserCtxtPtr;
95 
96 typedef struct _xmlSchemaValidCtxt xmlSchemaValidCtxt;
97 typedef xmlSchemaValidCtxt *xmlSchemaValidCtxtPtr;
98 
99 /*
100  * Interfaces for parsing.
101  */
102 XMLPUBFUN xmlSchemaParserCtxtPtr XMLCALL
103 	    xmlSchemaNewParserCtxt	(const char *URL);
104 XMLPUBFUN xmlSchemaParserCtxtPtr XMLCALL
105 	    xmlSchemaNewMemParserCtxt	(const char *buffer,
106 					 int size);
107 XMLPUBFUN xmlSchemaParserCtxtPtr XMLCALL
108 	    xmlSchemaNewDocParserCtxt	(xmlDocPtr doc);
109 XMLPUBFUN void XMLCALL
110 	    xmlSchemaFreeParserCtxt	(xmlSchemaParserCtxtPtr ctxt);
111 XMLPUBFUN void XMLCALL
112 	    xmlSchemaSetParserErrors	(xmlSchemaParserCtxtPtr ctxt,
113 					 xmlSchemaValidityErrorFunc err,
114 					 xmlSchemaValidityWarningFunc warn,
115 					 void *ctx);
116 XMLPUBFUN void XMLCALL
117 	    xmlSchemaSetParserStructuredErrors(xmlSchemaParserCtxtPtr ctxt,
118 					 xmlStructuredErrorFunc serror,
119 					 void *ctx);
120 XMLPUBFUN int XMLCALL
121 		xmlSchemaGetParserErrors(xmlSchemaParserCtxtPtr ctxt,
122 					xmlSchemaValidityErrorFunc * err,
123 					xmlSchemaValidityWarningFunc * warn,
124 					void **ctx);
125 XMLPUBFUN int XMLCALL
126 		xmlSchemaIsValid	(xmlSchemaValidCtxtPtr ctxt);
127 
128 XMLPUBFUN xmlSchemaPtr XMLCALL
129 	    xmlSchemaParse		(xmlSchemaParserCtxtPtr ctxt);
130 XMLPUBFUN void XMLCALL
131 	    xmlSchemaFree		(xmlSchemaPtr schema);
132 #ifdef LIBXML_OUTPUT_ENABLED
133 XMLPUBFUN void XMLCALL
134 	    xmlSchemaDump		(FILE *output,
135 					 xmlSchemaPtr schema);
136 #endif /* LIBXML_OUTPUT_ENABLED */
137 /*
138  * Interfaces for validating
139  */
140 XMLPUBFUN void XMLCALL
141 	    xmlSchemaSetValidErrors	(xmlSchemaValidCtxtPtr ctxt,
142 					 xmlSchemaValidityErrorFunc err,
143 					 xmlSchemaValidityWarningFunc warn,
144 					 void *ctx);
145 XMLPUBFUN void XMLCALL
146 	    xmlSchemaSetValidStructuredErrors(xmlSchemaValidCtxtPtr ctxt,
147 					 xmlStructuredErrorFunc serror,
148 					 void *ctx);
149 XMLPUBFUN int XMLCALL
150 	    xmlSchemaGetValidErrors	(xmlSchemaValidCtxtPtr ctxt,
151 					 xmlSchemaValidityErrorFunc *err,
152 					 xmlSchemaValidityWarningFunc *warn,
153 					 void **ctx);
154 XMLPUBFUN int XMLCALL
155 	    xmlSchemaSetValidOptions	(xmlSchemaValidCtxtPtr ctxt,
156 					 int options);
157 XMLPUBFUN int XMLCALL
158 	    xmlSchemaValidCtxtGetOptions(xmlSchemaValidCtxtPtr ctxt);
159 
160 XMLPUBFUN xmlSchemaValidCtxtPtr XMLCALL
161 	    xmlSchemaNewValidCtxt	(xmlSchemaPtr schema);
162 XMLPUBFUN void XMLCALL
163 	    xmlSchemaFreeValidCtxt	(xmlSchemaValidCtxtPtr ctxt);
164 XMLPUBFUN int XMLCALL
165 	    xmlSchemaValidateDoc	(xmlSchemaValidCtxtPtr ctxt,
166 					 xmlDocPtr instance);
167 XMLPUBFUN int XMLCALL
168             xmlSchemaValidateOneElement (xmlSchemaValidCtxtPtr ctxt,
169 			                 xmlNodePtr elem);
170 XMLPUBFUN int XMLCALL
171 	    xmlSchemaValidateStream	(xmlSchemaValidCtxtPtr ctxt,
172 					 xmlParserInputBufferPtr input,
173 					 xmlCharEncoding enc,
174 					 xmlSAXHandlerPtr sax,
175 					 void *user_data);
176 XMLPUBFUN int XMLCALL
177 	    xmlSchemaValidateFile	(xmlSchemaValidCtxtPtr ctxt,
178 					 const char * filename,
179 					 int options);
180 
181 /*
182  * Interface to insert Schemas SAX velidation in a SAX stream
183  */
184 typedef struct _xmlSchemaSAXPlug xmlSchemaSAXPlugStruct;
185 typedef xmlSchemaSAXPlugStruct *xmlSchemaSAXPlugPtr;
186 
187 XMLPUBFUN xmlSchemaSAXPlugPtr XMLCALL
188             xmlSchemaSAXPlug		(xmlSchemaValidCtxtPtr ctxt,
189 					 xmlSAXHandlerPtr *sax,
190 					 void **user_data);
191 XMLPUBFUN int XMLCALL
192             xmlSchemaSAXUnplug		(xmlSchemaSAXPlugPtr plug);
193 #ifdef __cplusplus
194 }
195 #endif
196 
197 #endif /* LIBXML_SCHEMAS_ENABLED */
198 #endif /* __XML_SCHEMA_H__ */
199