+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2010 Index Data
+ * See the file LICENSE for details.
+ */
+
+/** \file
+ \brief XML Include (not to be confused with W3C XInclude)
+*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#if HAVE_GLOB_H
+#define USE_POSIX_GLOB 1
+#else
+#define USE_POSIX_GLOB 0
+#endif
+
+#if USE_POSIX_GLOB
+#include <glob.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <yaz/wrbuf.h>
+#include <yaz/tpath.h>
+#include <yaz/log.h>
+#include <yaz/xml_include.h>
+
+#if YAZ_HAVE_XML2
+
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
+struct yaz_xml_include_s {
+ const char *confdir;
+};
+
+typedef struct yaz_xml_include_s *yaz_xml_include_t;
+
+static int process_config_includes(yaz_xml_include_t config, xmlNode *n);
+
+static void conf_dir_path(yaz_xml_include_t config, WRBUF w, const char *src)
+{
+ if (config->confdir && *config->confdir > 0 &&
+ !yaz_is_abspath(src))
+ {
+ wrbuf_printf(w, "%s/%s", config->confdir, src);
+ }
+ else
+ wrbuf_puts(w, src);
+}
+
+static int config_include_one(yaz_xml_include_t config, xmlNode **sib,
+ const char *path)
+{
+ struct stat st;
+ if (stat(path, &st) < 0)
+ {
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "stat %s", path);
+ return -1;
+ }
+ else
+ {
+ if ((st.st_mode & S_IFMT) == S_IFREG)
+ {
+ xmlDoc *doc = xmlParseFile(path);
+ if (doc)
+ {
+ xmlNodePtr t = xmlDocGetRootElement(doc);
+ int ret = process_config_includes(config, t);
+ *sib = xmlAddNextSibling(*sib, xmlCopyNode(t, 1));
+ xmlFreeDoc(doc);
+ if (ret)
+ return -1;
+ }
+ else
+ {
+ yaz_log(YLOG_FATAL, "Could not parse %s", path);
+ return -1;
+ }
+ }
+ }
+ return 0;
+}
+
+static int config_include_src(yaz_xml_include_t config, xmlNode **np,
+ const char *src)
+{
+ int ret = 0; /* return code. OK so far */
+ WRBUF w = wrbuf_alloc();
+ xmlNodePtr sib; /* our sibling that we append */
+ xmlNodePtr c; /* tmp node */
+
+ wrbuf_printf(w, " begin include src=\"%s\" ", src);
+
+ /* replace include element with a 'begin' comment */
+ sib = xmlNewComment((const xmlChar *) wrbuf_cstr(w));
+ xmlReplaceNode(*np, sib);
+
+ xmlFreeNode(*np);
+
+ wrbuf_rewind(w);
+ conf_dir_path(config, w, src);
+#if USE_POSIX_GLOB
+ {
+ size_t i;
+ glob_t glob_res;
+ glob(wrbuf_cstr(w), 0 /* flags */, 0 /* errfunc */, &glob_res);
+
+ for (i = 0; ret == 0 && i < glob_res.gl_pathc; i++)
+ {
+ const char *path = glob_res.gl_pathv[i];
+ ret = config_include_one(config, &sib, path);
+ }
+ globfree(&glob_res);
+ }
+#else
+ ret = config_include_one(config, &sib, wrbuf_cstr(w));
+#endif
+ wrbuf_rewind(w);
+ wrbuf_printf(w, " end include src=\"%s\" ", src);
+ c = xmlNewComment((const xmlChar *) wrbuf_cstr(w));
+ sib = xmlAddNextSibling(sib, c);
+
+ *np = sib;
+ wrbuf_destroy(w);
+ return ret;
+}
+
+static int process_config_includes(yaz_xml_include_t config, xmlNode *n)
+{
+ for (; n; n = n->next)
+ {
+ if (n->type == XML_ELEMENT_NODE)
+ {
+ if (!strcmp((const char *) n->name, "include"))
+ {
+ xmlChar *src = xmlGetProp(n, (xmlChar *) "src");
+ if (src)
+ {
+ int ret = config_include_src(config, &n,
+ (const char *) src);
+ xmlFree(src);
+ if (ret)
+ return ret;
+
+ }
+ }
+ else
+ {
+ if (process_config_includes(config, n->children))
+ return -1;
+ }
+ }
+ }
+ return 0;
+}
+
+int yaz_xml_include_simple(xmlNode *n, const char *base_path)
+{
+ struct yaz_xml_include_s s;
+
+ s.confdir = base_path;
+ process_config_includes(&s, n);
+ return 0;
+}
+
+/* YAZ_HAVE_XML2 */
+#endif
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
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