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authorLars-Dominik Braun <PromyLOPh@lavabit.com>2010-11-23 21:59:31 +0100
committerLars-Dominik Braun <lars@6xq.net>2010-12-26 15:47:42 +0100
commit13106ac8bb95e325cf522817f91ad1f3b0fcecb0 (patch)
tree5488d884b5fac8bf5f1946cae92e536fa2d0d345 /src/libezxml/ezxml.h
parentd074480b9159a53fc4e6bdb40463289c69c2f6a7 (diff)
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Better directory layout
Removed useless AUTHORS, COPYING and README files. Move manpage to contrib (it's not exactly source code).
Diffstat (limited to 'src/libezxml/ezxml.h')
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diff --git a/src/libezxml/ezxml.h b/src/libezxml/ezxml.h
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+/* ezxml.h
+ *
+ * Copyright 2004-2006 Aaron Voisine <aaron@voisine.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _EZXML_H
+#define _EZXML_H
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <fcntl.h>
+
+#define EZXML_BUFSIZE 1024 // size of internal memory buffers
+#define EZXML_NAMEM 0x80 // name is malloced
+#define EZXML_TXTM 0x40 // txt is malloced
+#define EZXML_DUP 0x20 // attribute name and value are strduped
+
+typedef struct ezxml *ezxml_t;
+struct ezxml {
+ char *name; // tag name
+ char **attr; // tag attributes { name, value, name, value, ... NULL }
+ char *txt; // tag character content, empty string if none
+ size_t off; // tag offset from start of parent tag character content
+ ezxml_t next; // next tag with same name in this section at this depth
+ ezxml_t sibling; // next tag with different name in same section and depth
+ ezxml_t ordered; // next tag, same section and depth, in original order
+ ezxml_t child; // head of sub tag list, NULL if none
+ ezxml_t parent; // parent tag, NULL if current tag is root tag
+ short flags; // additional information
+};
+
+// Given a string of xml data and its length, parses it and creates an ezxml
+// structure. For efficiency, modifies the data by adding null terminators
+// and decoding ampersand sequences. If you don't want this, copy the data and
+// pass in the copy. Returns NULL on failure.
+ezxml_t ezxml_parse_str(char *s, size_t len);
+
+// returns the first child tag (one level deeper) with the given name or NULL
+// if not found
+ezxml_t ezxml_child(ezxml_t xml, const char *name);
+
+// returns the next tag of the same name in the same section and depth or NULL
+// if not found
+#define ezxml_next(xml) ((xml) ? xml->next : NULL)
+
+// Returns the Nth tag with the same name in the same section at the same depth
+// or NULL if not found. An index of 0 returns the tag given.
+ezxml_t ezxml_idx(ezxml_t xml, int idx);
+
+// returns the name of the given tag
+#define ezxml_name(xml) ((xml) ? xml->name : NULL)
+
+// returns the given tag's character content or empty string if none
+#define ezxml_txt(xml) ((xml) ? xml->txt : "")
+
+// returns the value of the requested tag attribute, or NULL if not found
+const char *ezxml_attr(ezxml_t xml, const char *attr);
+
+// Traverses the ezxml sturcture to retrieve a specific subtag. Takes a
+// variable length list of tag names and indexes. The argument list must be
+// terminated by either an index of -1 or an empty string tag name. Example:
+// title = ezxml_get(library, "shelf", 0, "book", 2, "title", -1);
+// This retrieves the title of the 3rd book on the 1st shelf of library.
+// Returns NULL if not found.
+ezxml_t ezxml_get(ezxml_t xml, ...);
+
+// frees the memory allocated for an ezxml structure
+void ezxml_free(ezxml_t xml);
+
+// returns parser error message or empty string if none
+const char *ezxml_error(ezxml_t xml);
+
+#endif // _EZXML_H