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/* xmp-parse.h - simple parser for XMP metadata
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* Copyright (C) 2004, Raphaël Quinet <raphael@gimp.org>
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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XMP_ERROR_BAD_ENCODING,
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XMP_ERROR_MISSING_ABOUT,
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XMP_ERROR_UNKNOWN_ELEMENT,
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XMP_ERROR_UNKNOWN_ATTRIBUTE,
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XMP_ERROR_UNEXPECTED_ELEMENT,
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XMP_ERROR_INVALID_CONTENT,
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XMP_ERROR_INVALID_COMMENT
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#define XMP_PARSE_ERROR xmp_parse_error_quark ()
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GQuark xmp_parse_error_quark (void);
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XMP_FLAG_FIND_XPACKET = 1 << 0, /* allow text before <?xpacket */
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XMP_FLAG_NO_COMMENTS = 1 << 1, /* no XML comments allowed */
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XMP_FLAG_NO_UNKNOWN_ELEMENTS = 1 << 2, /* no unknown XML elements */
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XMP_FLAG_NO_UNKNOWN_ATTRIBUTES = 1 << 3, /* no unknown XML attributes */
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XMP_FLAG_NO_MISSING_ABOUT = 1 << 4, /* schemas must have rdf:about */
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XMP_FLAG_DEFER_VALUE_FREE = 1 << 5 /* prop. value[] freed by caller */
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XMP_PTYPE_TEXT, /* value in value[0] */
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XMP_PTYPE_RESOURCE, /* value in value[0] */
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XMP_PTYPE_ORDERED_LIST, /* values in value[0..n] */
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XMP_PTYPE_UNORDERED_LIST, /* values in value[0..n] */
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XMP_PTYPE_ALT_THUMBS, /* values in value[0..n] */
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XMP_PTYPE_ALT_LANG, /* lang in value[0,2..n*2], text in value[1,3..n*2+1] */
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XMP_PTYPE_STRUCTURE, /* ns prefix in name[0], ns uri in name[1], */
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/* name in value[2,4..n*2+2], value in value[3,5..n*2+3] */
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typedef struct _XMPParseContext XMPParseContext;
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typedef struct _XMPParser XMPParser;
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/* Called whenever the parser sees a new namespace (usually an XMP
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* schema) except for the basic RDF and XMP namespaces. The value
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* returned by this callback will be passed as "ns_user_data" to the
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* callbacks end_schema and set_property. It is allowed to return
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* the pointers ns_uri or ns_prefix because they will remain valid
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* at least until end_schema is called.
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gpointer (*start_schema) (XMPParseContext *context,
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const gchar *ns_prefix,
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/* Called when a namespace goes out of scope. The ns_user_data will
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* be the one that was returned by start_schema for the
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* corresponding schema.
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void (*end_schema) (XMPParseContext *context,
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gpointer ns_user_data,
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/* Called for each property that is defined in the XMP packet. The
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* way the value of the property is returned depends on its type.
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* See the definition of XMPParseType for details.
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void (*set_property) (XMPParseContext *context,
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gpointer ns_user_data,
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/* Called on error, including one set by other methods in the
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* vtable. The GError should not be freed.
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void (*error) (XMPParseContext *context,
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XMPParseContext * xmp_parse_context_new (const XMPParser *parser,
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GDestroyNotify user_data_dnotify);
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void xmp_parse_context_free (XMPParseContext *context);
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gboolean xmp_parse_context_parse (XMPParseContext *context,
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gboolean xmp_parse_context_end_parse (XMPParseContext *context,
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#endif /* XMP_PARSE_H */
added
removed
plug-ins/metadata/xmp-parse.h
