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authorSehong Na <sehong.na@samsung.com>2014-05-31 13:20:46 +0900
committerSehong Na <sehong.na@samsung.com>2014-05-31 13:20:46 +0900
commit7122fb9745e4622cb4c5d340cf1557e2fda1efe3 (patch)
tree393207d68983c3b587733b83714bef2de2457025 /src/xml.c
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Diffstat (limited to 'src/xml.c')
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+/* $Id: xml.c,v 1.37 2004/11/11 03:39:34 mgrouch Exp $ */
+
+/*
+
+XMLStarlet: Command Line Toolkit to query/edit/check/transform XML documents
+
+Copyright (c) 2002 Mikhail Grushinskiy. All Rights Reserved.
+
+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.
+
+*/
+
+#include <config.h>
+#include <version.h>
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <libxslt/xslt.h>
+#include <libxslt/xsltconfig.h>
+
+#include "xmlstar.h"
+
+static const xmlChar* XMLSTAR_NS = BAD_CAST "http://xmlstar.sourceforge.net";
+static const xmlChar* XMLSTAR_NS_PREFIX = BAD_CAST "xstar";
+
+extern int edMain(int argc, char **argv);
+extern int selMain(int argc, char **argv);
+extern int trMain(int argc, char **argv);
+extern int valMain(int argc, char **argv);
+extern int foMain(int argc, char **argv);
+extern int elMain(int argc, char **argv);
+extern int c14nMain(int argc, char **argv);
+extern int lsMain(int argc, char **argv);
+extern int pyxMain(int argc, char **argv);
+extern int depyxMain(int argc, char **argv);
+extern int escMain(int argc, char **argv, int escape);
+
+const char more_info[] =
+"XMLStarlet is a command line toolkit to query/edit/check/transform\n"
+"XML documents (for more information see http://xmlstar.sourceforge.net/)\n";
+
+const char libxslt_more_info[] =
+"\n"
+"Current implementation uses libxslt from GNOME codebase as XSLT processor\n"
+"(see http://xmlsoft.org/ for more details)\n";
+
+/**
+ * Display usage syntax
+ */
+void
+usage(int argc, char **argv, exit_status status)
+{
+ extern void fprint_usage(FILE* o, const char* argv0);
+ FILE* o = (status == EXIT_SUCCESS)? stdout : stderr;
+ fprint_usage(o, argv[0]);
+ fprintf(o, "%s", more_info);
+ exit(status);
+}
+
+/**
+ * Error reporting function
+ */
+void reportError(void *ptr, xmlErrorPtr error)
+{
+ ErrorInfo *errorInfo = (ErrorInfo*) ptr;
+ assert(errorInfo);
+
+ if (errorInfo->verbose)
+ {
+ int msglen;
+ int domain = error->domain;
+ const char *filename =
+ error->file? error->file :
+ errorInfo? errorInfo->filename :
+ NULL;
+ xmlTextReaderPtr reader = errorInfo->xmlReader;
+
+ int line = (!filename)? 0 :
+ (reader)? xmlTextReaderGetParserLineNumber(reader) :
+ error->line;
+ int column = (!filename)? 0 :
+ (reader)? xmlTextReaderGetParserColumnNumber(reader) :
+ error->int2;
+ if (line)
+ {
+ fprintf(stderr, "%s:%d.%d: ", filename, line, column);
+ }
+
+ msglen = strlen(error->message);
+ if (error->message[msglen-1] == '\n')
+ error->message[msglen-1] = '\0';
+ fprintf(stderr, "%s", error->message);
+
+ /* only print extra info if it's not in message */
+ if (error->str1 && strstr(error->message, error->str1) == NULL) {
+ fprintf(stderr, ": %s", error->str1);
+ if (error->str2 && strstr(error->message, error->str2) == NULL) {
+ fprintf(stderr, ", %s", error->str2);
+ }
+ if (error->str3 && strstr(error->message, error->str3) == NULL) {
+ fprintf(stderr, ", %s", error->str3);
+ }
+ }
+ fprintf(stderr, "\n");
+
+
+ if ((domain == XML_FROM_PARSER) || (domain == XML_FROM_HTML) ||
+ (domain == XML_FROM_DTD) || (domain == XML_FROM_NAMESPACE) ||
+ (domain == XML_FROM_IO) || (domain == XML_FROM_VALID)) {
+ xmlParserCtxtPtr ctxt = error->ctxt;
+ if (ctxt) xmlParserPrintFileContext(ctxt->input);
+ }
+ }
+}
+
+#define CHECK_MEM(ret) if (!ret) \
+ (fprintf(stderr, "out of memory\n"), exit(EXIT_INTERNAL_ERROR))
+
+void*
+xmalloc(size_t size)
+{
+ void *ret = malloc(size);
+ CHECK_MEM(ret);
+ return ret;
+}
+void*
+xrealloc(void *ptr, size_t size)
+{
+ void *ret = realloc(ptr, size);
+ CHECK_MEM(ret);
+ return ret;
+}
+char*
+xstrdup(const char *str)
+{
+ char *ret = (char*) xmlStrdup(BAD_CAST str);
+ CHECK_MEM(ret);
+ return ret;
+}
+
+/**
+ * This is the main function
+ */
+int
+main(int argc, char **argv)
+{
+ int ret = 0;
+ /* by default errors are reported */
+ static ErrorInfo errorInfo = { NULL, NULL, VERBOSE };
+
+ xmlMemSetup(free, xmalloc, xrealloc, xstrdup);
+ xmlSetStructuredErrorFunc(&errorInfo, reportError);
+
+ if (argc <= 1)
+ {
+ usage(argc, argv, EXIT_BAD_ARGS);
+ }
+ else if (!strcmp(argv[1], "ed") || !strcmp(argv[1], "edit"))
+ {
+ ret = edMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "sel") || !strcmp(argv[1], "select"))
+ {
+ ret = selMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "tr") || !strcmp(argv[1], "transform"))
+ {
+ ret = trMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "fo") || !strcmp(argv[1], "format"))
+ {
+ ret = foMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "val") || !strcmp(argv[1], "validate"))
+ {
+ ret = valMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "el") || !strcmp(argv[1], "elements"))
+ {
+ ret = elMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "c14n") || !strcmp(argv[1], "canonic"))
+ {
+ ret = c14nMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "ls") || !strcmp(argv[1], "list"))
+ {
+ ret = lsMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "pyx") || !strcmp(argv[1], "xmln"))
+ {
+ ret = pyxMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "depyx") || !strcmp(argv[1], "p2x"))
+ {
+ ret = depyxMain(argc, argv);
+ }
+ else if (!strcmp(argv[1], "esc") || !strcmp(argv[1], "escape"))
+ {
+ ret = escMain(argc, argv, 1);
+ }
+ else if (!strcmp(argv[1], "unesc") || !strcmp(argv[1], "unescape"))
+ {
+ ret = escMain(argc, argv, 0);
+ }
+ else if (!strcmp(argv[1], "--version"))
+ {
+ fprintf(stdout, "%s\n"
+ "compiled against libxml2 %s, linked with %s\n"
+ "compiled against libxslt %s, linked with %s\n",
+ VERSION,
+ LIBXML_DOTTED_VERSION, xmlParserVersion,
+ LIBXSLT_DOTTED_VERSION, xsltEngineVersion);
+ ret = EXIT_SUCCESS;
+ }
+ else
+ {
+ usage(argc, argv, strcmp(argv[1], "--help") == 0?
+ EXIT_SUCCESS : EXIT_BAD_ARGS);
+ }
+
+ exit(ret);
+}
+
+
+void
+registerXstarVariable(xmlXPathContextPtr ctxt,
+ const char* name, xmlXPathObjectPtr value)
+{
+ xmlXPathRegisterVariableNS(ctxt, BAD_CAST name, XMLSTAR_NS, value);
+}
+
+static xmlXPathObjectPtr varLookupFallbackToXstarNS(void* ctxt_vp,
+ const xmlChar* name, const xmlChar* ns_uri)
+{
+ xmlXPathObjectPtr ret;
+ xmlXPathContextPtr ctxt = ctxt_vp;
+
+ ctxt->varLookupFunc = NULL; /* avoid infinite recursion! */
+
+ /* first get the default lookup value */
+ ret = xmlXPathVariableLookupNS(ctxt, name, ns_uri);
+
+ if (!ret && !ns_uri) {
+ /* if we didn't find anything, and there was no namespace given,
+ try looking in XMLStarlet namespace */
+ ret = xmlXPathVariableLookupNS(ctxt, name, XMLSTAR_NS);
+ }
+
+ ctxt->varLookupFunc = &varLookupFallbackToXstarNS;
+ return ret;
+}
+
+void
+registerXstarNs(xmlXPathContextPtr ctxt)
+{
+ xmlXPathRegisterVariableLookup(ctxt, &varLookupFallbackToXstarNS, ctxt);
+ xmlXPathRegisterNs(ctxt, XMLSTAR_NS_PREFIX, XMLSTAR_NS);
+}
+
+
+static void bad_ns_opt(const char *msg)
+{
+ fprintf(stderr, "Bad namespace option: %s\n", msg);
+ exit(EXIT_BAD_ARGS);
+}
+
+#define MAX_NS_ARGS 256
+xmlChar *ns_arr[2 * MAX_NS_ARGS + 1];
+
+/**
+ * Parse command line for -N <prefix>=<namespace> arguments
+ */
+int
+parseNSArr(xmlChar** ns_arr, int* plen, int argc, char **argv)
+{
+ int i = 0;
+ *plen = 0;
+ ns_arr[0] = 0;
+
+ for (i=0; i<argc; i++)
+ {
+ int prefix_len;
+ xmlChar *name, *value;
+ const xmlChar *equal_sign;
+
+ /* check for end of arguments */
+ if (argv[i] == 0 || argv[i][0] != '-')
+ break;
+ if (strcmp(argv[i], "-N") != 0)
+ continue;
+
+ i++;
+ if (i >= argc) bad_ns_opt("-N without argument");
+
+ equal_sign = xmlStrchr((const xmlChar*) argv[i], '=');
+ if (!equal_sign)
+ bad_ns_opt("namespace should have the form <prefix>=<url>");
+ prefix_len = equal_sign - (const xmlChar*) argv[i];
+
+ name = xmlStrndup((const xmlChar*) argv[i], prefix_len);
+ value = xmlStrdup((const xmlChar*) argv[i]+prefix_len+1);
+
+ if (*plen >= MAX_NS_ARGS)
+ {
+ fprintf(stderr, "too many namespaces increase MAX_NS_ARGS\n");
+ exit(EXIT_BAD_ARGS);
+ }
+
+ ns_arr[*plen] = name;
+ (*plen)++;
+ ns_arr[*plen] = value;
+ (*plen)++;
+ ns_arr[*plen] = 0;
+
+ }
+
+ return i;
+}
+
+/**
+ * Cleanup memory allocated by namespaces arguments
+ */
+void
+cleanupNSArr(xmlChar **ns_arr)
+{
+ xmlChar **p = ns_arr;
+
+ while (*p)
+ {
+ xmlFree(*p);
+ p++;
+ }
+}