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shell.c
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shell.c
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/*
* shell.c: The xmllint shell
*
* See Copyright for the status of this software.
*
* Daniel Veillard <[email protected]>
*/
#include "libxml.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#ifdef HAVE_LIBREADLINE
#include <readline/readline.h>
#ifdef HAVE_LIBHISTORY
#include <readline/history.h>
#endif
#endif
#include <libxml/debugXML.h>
#include <libxml/HTMLtree.h>
#include <libxml/parser.h>
#include <libxml/uri.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#ifdef LIBXML_SCHEMAS_ENABLED
#include <libxml/relaxng.h>
#endif
#include "private/shell.h"
#ifndef STDIN_FILENO
#define STDIN_FILENO 0
#endif
/*
* TODO: Improvement/cleanups for the XML shell
* - allow to shell out an editor on a subpart
* - cleanup function registrations (with help) and calling
* - provide registration routines
*/
typedef struct _xmllintShellCtxt xmllintShellCtxt;
typedef xmllintShellCtxt *xmllintShellCtxtPtr;
struct _xmllintShellCtxt {
char *filename;
xmlDocPtr doc;
xmlNodePtr node;
#ifdef LIBXML_XPATH_ENABLED
xmlXPathContextPtr pctxt;
#endif
int loaded;
FILE *output;
};
/**
* xmllintLsCountNode:
* @node: the node to count
*
* Count the children of @node.
*
* Returns the number of children of @node.
*/
static int
xmllintLsCountNode(xmlNodePtr node) {
int ret = 0;
xmlNodePtr list = NULL;
if (node == NULL)
return(0);
switch (node->type) {
case XML_ELEMENT_NODE:
list = node->children;
break;
case XML_DOCUMENT_NODE:
case XML_HTML_DOCUMENT_NODE:
list = ((xmlDocPtr) node)->children;
break;
case XML_ATTRIBUTE_NODE:
list = ((xmlAttrPtr) node)->children;
break;
case XML_TEXT_NODE:
case XML_CDATA_SECTION_NODE:
case XML_PI_NODE:
case XML_COMMENT_NODE:
if (node->content != NULL) {
ret = xmlStrlen(node->content);
}
break;
case XML_ENTITY_REF_NODE:
case XML_DOCUMENT_TYPE_NODE:
case XML_ENTITY_NODE:
case XML_DOCUMENT_FRAG_NODE:
case XML_NOTATION_NODE:
case XML_DTD_NODE:
case XML_ELEMENT_DECL:
case XML_ATTRIBUTE_DECL:
case XML_ENTITY_DECL:
case XML_NAMESPACE_DECL:
case XML_XINCLUDE_START:
case XML_XINCLUDE_END:
ret = 1;
break;
}
for (;list != NULL;ret++)
list = list->next;
return(ret);
}
/**
* xmllintLsOneNode:
* @output: the FILE * for the output
* @node: the node to dump
*
* Dump to @output the type and name of @node.
*/
static void
xmllintLsOneNode(FILE *output, xmlNodePtr node) {
if (output == NULL) return;
if (node == NULL) {
fprintf(output, "NULL\n");
return;
}
switch (node->type) {
case XML_ELEMENT_NODE:
fprintf(output, "-");
break;
case XML_ATTRIBUTE_NODE:
fprintf(output, "a");
break;
case XML_TEXT_NODE:
fprintf(output, "t");
break;
case XML_CDATA_SECTION_NODE:
fprintf(output, "C");
break;
case XML_ENTITY_REF_NODE:
fprintf(output, "e");
break;
case XML_ENTITY_NODE:
fprintf(output, "E");
break;
case XML_PI_NODE:
fprintf(output, "p");
break;
case XML_COMMENT_NODE:
fprintf(output, "c");
break;
case XML_DOCUMENT_NODE:
fprintf(output, "d");
break;
case XML_HTML_DOCUMENT_NODE:
fprintf(output, "h");
break;
case XML_DOCUMENT_TYPE_NODE:
fprintf(output, "T");
break;
case XML_DOCUMENT_FRAG_NODE:
fprintf(output, "F");
break;
case XML_NOTATION_NODE:
fprintf(output, "N");
break;
case XML_NAMESPACE_DECL:
fprintf(output, "n");
break;
default:
fprintf(output, "?");
}
if (node->type != XML_NAMESPACE_DECL) {
if (node->properties != NULL)
fprintf(output, "a");
else
fprintf(output, "-");
if (node->nsDef != NULL)
fprintf(output, "n");
else
fprintf(output, "-");
}
fprintf(output, " %8d ", xmllintLsCountNode(node));
switch (node->type) {
case XML_ELEMENT_NODE:
if (node->name != NULL) {
if ((node->ns != NULL) && (node->ns->prefix != NULL))
fprintf(output, "%s:", node->ns->prefix);
fprintf(output, "%s", (const char *) node->name);
}
break;
case XML_ATTRIBUTE_NODE:
if (node->name != NULL)
fprintf(output, "%s", (const char *) node->name);
break;
case XML_TEXT_NODE:
#ifdef LIBXML_DEBUG_ENABLED
if (node->content != NULL) {
xmlDebugDumpString(output, node->content);
}
#endif
break;
case XML_CDATA_SECTION_NODE:
break;
case XML_ENTITY_REF_NODE:
if (node->name != NULL)
fprintf(output, "%s", (const char *) node->name);
break;
case XML_ENTITY_NODE:
if (node->name != NULL)
fprintf(output, "%s", (const char *) node->name);
break;
case XML_PI_NODE:
if (node->name != NULL)
fprintf(output, "%s", (const char *) node->name);
break;
case XML_COMMENT_NODE:
break;
case XML_DOCUMENT_NODE:
break;
case XML_HTML_DOCUMENT_NODE:
break;
case XML_DOCUMENT_TYPE_NODE:
break;
case XML_DOCUMENT_FRAG_NODE:
break;
case XML_NOTATION_NODE:
break;
case XML_NAMESPACE_DECL: {
xmlNsPtr ns = (xmlNsPtr) node;
if (ns->prefix == NULL)
fprintf(output, "default -> %s", (char *)ns->href);
else
fprintf(output, "%s -> %s", (char *)ns->prefix,
(char *)ns->href);
break;
}
default:
if (node->name != NULL)
fprintf(output, "%s", (const char *) node->name);
}
fprintf(output, "\n");
}
/**
* xmllintShellList:
* @ctxt: the shell context
* @arg: unused
* @node: a node
* @node2: unused
*
* Implements the XML shell function "ls"
* Does an Unix like listing of the given node (like a directory)
*
* Returns 0
*/
static int
xmllintShellList(xmllintShellCtxtPtr ctxt,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlNodePtr cur;
if (!ctxt)
return (0);
if (node == NULL) {
fprintf(ctxt->output, "NULL\n");
return (0);
}
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
cur = ((xmlDocPtr) node)->children;
} else if (node->type == XML_NAMESPACE_DECL) {
xmllintLsOneNode(ctxt->output, node);
return (0);
} else if (node->children != NULL) {
cur = node->children;
} else {
xmllintLsOneNode(ctxt->output, node);
return (0);
}
while (cur != NULL) {
xmllintLsOneNode(ctxt->output, cur);
cur = cur->next;
}
return (0);
}
/**
* xmllintShellBase:
* @ctxt: the shell context
* @arg: unused
* @node: a node
* @node2: unused
*
* Implements the XML shell function "base"
* dumps the current XML base of the node
*
* Returns 0
*/
static int
xmllintShellBase(xmllintShellCtxtPtr ctxt,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlChar *base;
if (!ctxt)
return 0;
if (node == NULL) {
fprintf(ctxt->output, "NULL\n");
return (0);
}
base = xmlNodeGetBase(node->doc, node);
if (base == NULL) {
fprintf(ctxt->output, " No base found !!!\n");
} else {
fprintf(ctxt->output, "%s\n", base);
xmlFree(base);
}
return (0);
}
/**
* xmllintShellSetBase:
* @ctxt: the shell context
* @arg: the new base
* @node: a node
* @node2: unused
*
* Implements the XML shell function "setbase"
* change the current XML base of the node
*
* Returns 0
*/
static int
xmllintShellSetBase(xmllintShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlNodeSetBase(node, (xmlChar*) arg);
return (0);
}
#ifdef LIBXML_XPATH_ENABLED
/**
* xmllintShellRegisterNamespace:
* @ctxt: the shell context
* @arg: a string in prefix=nsuri format
* @node: unused
* @node2: unused
*
* Implements the XML shell function "setns"
* register/unregister a prefix=namespace pair
* on the XPath context
*
* Returns 0 on success and a negative value otherwise.
*/
static int
xmllintShellRegisterNamespace(xmllintShellCtxtPtr ctxt, char *arg,
xmlNodePtr node ATTRIBUTE_UNUSED, xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlChar* nsListDup;
xmlChar* prefix;
xmlChar* href;
xmlChar* next;
nsListDup = xmlStrdup((xmlChar *) arg);
next = nsListDup;
while(next != NULL) {
/* skip spaces */
/*while((*next) == ' ') next++;*/
if((*next) == '\0') break;
/* find prefix */
prefix = next;
next = (xmlChar*)xmlStrchr(next, '=');
if(next == NULL) {
fprintf(ctxt->output, "setns: prefix=[nsuri] required\n");
xmlFree(nsListDup);
return(-1);
}
*(next++) = '\0';
/* find href */
href = next;
next = (xmlChar*)xmlStrchr(next, ' ');
if(next != NULL) {
*(next++) = '\0';
}
/* do register namespace */
if(xmlXPathRegisterNs(ctxt->pctxt, prefix, href) != 0) {
fprintf(ctxt->output,"Error: unable to register NS with prefix=\"%s\" and href=\"%s\"\n", prefix, href);
xmlFree(nsListDup);
return(-1);
}
}
xmlFree(nsListDup);
return(0);
}
/**
* xmllintShellRegisterRootNamespaces:
* @ctxt: the shell context
* @arg: unused
* @node: the root element
* @node2: unused
*
* Implements the XML shell function "setrootns"
* which registers all namespaces declarations found on the root element.
*
* Returns 0 on success and a negative value otherwise.
*/
static int
xmllintShellRegisterRootNamespaces(xmllintShellCtxtPtr ctxt, char *arg ATTRIBUTE_UNUSED,
xmlNodePtr root, xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlNsPtr ns;
if ((root == NULL) || (root->type != XML_ELEMENT_NODE) ||
(root->nsDef == NULL) || (ctxt == NULL) || (ctxt->pctxt == NULL))
return(-1);
ns = root->nsDef;
while (ns != NULL) {
if (ns->prefix == NULL)
xmlXPathRegisterNs(ctxt->pctxt, BAD_CAST "defaultns", ns->href);
else
xmlXPathRegisterNs(ctxt->pctxt, ns->prefix, ns->href);
ns = ns->next;
}
return(0);
}
#endif
/**
* xmllintShellGrep:
* @ctxt: the shell context
* @arg: the string or regular expression to find
* @node: a node
* @node2: unused
*
* Implements the XML shell function "grep"
* dumps information about the node (namespace, attributes, content).
*
* Returns 0
*/
static int
xmllintShellGrep(xmllintShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
char *arg, xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if (!ctxt)
return (0);
if (node == NULL)
return (0);
if (arg == NULL)
return (0);
#ifdef LIBXML_REGEXP_ENABLED
if ((xmlStrchr((xmlChar *) arg, '?')) ||
(xmlStrchr((xmlChar *) arg, '*')) ||
(xmlStrchr((xmlChar *) arg, '.')) ||
(xmlStrchr((xmlChar *) arg, '['))) {
}
#endif
while (node != NULL) {
if (node->type == XML_COMMENT_NODE) {
if (xmlStrstr(node->content, (xmlChar *) arg)) {
fprintf(ctxt->output, "%s : ", xmlGetNodePath(node));
xmllintShellList(ctxt, NULL, node, NULL);
}
} else if (node->type == XML_TEXT_NODE) {
if (xmlStrstr(node->content, (xmlChar *) arg)) {
fprintf(ctxt->output, "%s : ", xmlGetNodePath(node->parent));
xmllintShellList(ctxt, NULL, node->parent, NULL);
}
}
/*
* Browse the full subtree, deep first
*/
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
node = ((xmlDocPtr) node)->children;
} else if ((node->children != NULL)
&& (node->type != XML_ENTITY_REF_NODE)) {
/* deep first */
node = node->children;
} else if (node->next != NULL) {
/* then siblings */
node = node->next;
} else {
/* go up to parents->next if needed */
while (node != NULL) {
if (node->parent != NULL) {
node = node->parent;
}
if (node->next != NULL) {
node = node->next;
break;
}
if (node->parent == NULL) {
node = NULL;
break;
}
}
}
}
return (0);
}
/**
* xmllintShellDir:
* @ctxt: the shell context
* @arg: unused
* @node: a node
* @node2: unused
*
* Implements the XML shell function "dir"
* dumps information about the node (namespace, attributes, content).
*
* Returns 0
*/
static int
xmllintShellDir(xmllintShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if (!ctxt)
return (0);
if (node == NULL) {
fprintf(ctxt->output, "NULL\n");
return (0);
}
#ifdef LIBXML_DEBUG_ENABLED
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
xmlDebugDumpDocumentHead(ctxt->output, (xmlDocPtr) node);
} else if (node->type == XML_ATTRIBUTE_NODE) {
xmlDebugDumpAttr(ctxt->output, (xmlAttrPtr) node, 0);
} else {
xmlDebugDumpOneNode(ctxt->output, node, 0);
}
#endif
return (0);
}
/**
* xmllintShellSetContent:
* @ctxt: the shell context
* @value: the content as a string
* @node: a node
* @node2: unused
*
* Implements the XML shell function "dir"
* dumps information about the node (namespace, attributes, content).
*
* Returns 0
*/
static int
xmllintShellSetContent(xmllintShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
char *value, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlNodePtr results;
xmlParserErrors ret;
if (!ctxt)
return (0);
if (node == NULL) {
fprintf(ctxt->output, "NULL\n");
return (0);
}
if (value == NULL) {
fprintf(ctxt->output, "NULL\n");
return (0);
}
ret = xmlParseInNodeContext(node, value, strlen(value), 0, &results);
if (ret == XML_ERR_OK) {
if (node->children != NULL) {
xmlFreeNodeList(node->children);
node->children = NULL;
node->last = NULL;
}
xmlAddChildList(node, results);
} else {
fprintf(ctxt->output, "failed to parse content\n");
}
return (0);
}
#if defined(LIBXML_VALID_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
static void
xmllintShellPrintf(void *ctx, const char *msg, ...) {
xmllintShellCtxtPtr sctxt = ctx;
va_list ap;
va_start(ap, msg);
vfprintf(sctxt->output, msg, ap);
va_end(ap);
}
#endif /* defined(LIBXML_VALID_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) */
#ifdef LIBXML_SCHEMAS_ENABLED
/**
* xmllintShellRNGValidate:
* @ctxt: the shell context
* @schemas: the path to the Relax-NG schemas
* @node: a node
* @node2: unused
*
* Implements the XML shell function "relaxng"
* validating the instance against a Relax-NG schemas
*
* Returns 0
*/
static int
xmllintShellRNGValidate(xmllintShellCtxtPtr sctxt, char *schemas,
xmlNodePtr node ATTRIBUTE_UNUSED,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlRelaxNGPtr relaxngschemas;
xmlRelaxNGParserCtxtPtr ctxt;
xmlRelaxNGValidCtxtPtr vctxt;
int ret;
ctxt = xmlRelaxNGNewParserCtxt(schemas);
xmlRelaxNGSetParserErrors(ctxt, xmllintShellPrintf, xmllintShellPrintf, sctxt);
relaxngschemas = xmlRelaxNGParse(ctxt);
xmlRelaxNGFreeParserCtxt(ctxt);
if (relaxngschemas == NULL) {
fprintf(sctxt->output,
"Relax-NG schema %s failed to compile\n", schemas);
return(-1);
}
vctxt = xmlRelaxNGNewValidCtxt(relaxngschemas);
xmlRelaxNGSetValidErrors(vctxt, xmllintShellPrintf, xmllintShellPrintf, sctxt);
ret = xmlRelaxNGValidateDoc(vctxt, sctxt->doc);
if (ret == 0) {
fprintf(sctxt->output, "%s validates\n", sctxt->filename);
} else if (ret > 0) {
fprintf(sctxt->output, "%s fails to validate\n", sctxt->filename);
} else {
fprintf(sctxt->output, "%s validation generated an internal error\n",
sctxt->filename);
}
xmlRelaxNGFreeValidCtxt(vctxt);
if (relaxngschemas != NULL)
xmlRelaxNGFree(relaxngschemas);
return(0);
}
#endif
#ifdef LIBXML_OUTPUT_ENABLED
/**
* xmllintShellCat:
* @ctxt: the shell context
* @arg: unused
* @node: a node
* @node2: unused
*
* Implements the XML shell function "cat"
* dumps the serialization node content (XML or HTML).
*
* Returns 0
*/
static int
xmllintShellCat(xmllintShellCtxtPtr ctxt, char *arg ATTRIBUTE_UNUSED,
xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if (!ctxt)
return (0);
if (node == NULL) {
fprintf(ctxt->output, "NULL\n");
return (0);
}
if (ctxt->doc->type == XML_HTML_DOCUMENT_NODE) {
#ifdef LIBXML_HTML_ENABLED
if (node->type == XML_HTML_DOCUMENT_NODE)
htmlDocDump(ctxt->output, (htmlDocPtr) node);
else
htmlNodeDumpFile(ctxt->output, ctxt->doc, node);
#else
if (node->type == XML_DOCUMENT_NODE)
xmlDocDump(ctxt->output, (xmlDocPtr) node);
else
xmlElemDump(ctxt->output, ctxt->doc, node);
#endif /* LIBXML_HTML_ENABLED */
} else {
if (node->type == XML_DOCUMENT_NODE)
xmlDocDump(ctxt->output, (xmlDocPtr) node);
else
xmlElemDump(ctxt->output, ctxt->doc, node);
}
fprintf(ctxt->output, "\n");
return (0);
}
#endif /* LIBXML_OUTPUT_ENABLED */
/**
* xmllintShellLoad:
* @ctxt: the shell context
* @filename: the file name
* @node: unused
* @node2: unused
*
* Implements the XML shell function "load"
* loads a new document specified by the filename
*
* Returns 0 or -1 if loading failed
*/
static int
xmllintShellLoad(xmllintShellCtxtPtr ctxt, char *filename,
xmlNodePtr node ATTRIBUTE_UNUSED,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlDocPtr doc;
int html = 0;
if ((ctxt == NULL) || (filename == NULL)) return(-1);
if (ctxt->doc != NULL)
html = (ctxt->doc->type == XML_HTML_DOCUMENT_NODE);
if (html) {
#ifdef LIBXML_HTML_ENABLED
doc = htmlParseFile(filename, NULL);
#else
fprintf(ctxt->output, "HTML support not compiled in\n");
doc = NULL;
#endif /* LIBXML_HTML_ENABLED */
} else {
doc = xmlReadFile(filename,NULL,0);
}
if (doc != NULL) {
if (ctxt->loaded == 1) {
xmlFreeDoc(ctxt->doc);
}
ctxt->loaded = 1;
#ifdef LIBXML_XPATH_ENABLED
xmlXPathFreeContext(ctxt->pctxt);
#endif /* LIBXML_XPATH_ENABLED */
xmlFree(ctxt->filename);
ctxt->doc = doc;
ctxt->node = (xmlNodePtr) doc;
#ifdef LIBXML_XPATH_ENABLED
ctxt->pctxt = xmlXPathNewContext(doc);
#endif /* LIBXML_XPATH_ENABLED */
ctxt->filename = (char *) xmlCanonicPath((xmlChar *) filename);
} else
return (-1);
return (0);
}
#ifdef LIBXML_OUTPUT_ENABLED
/**
* xmllintShellWrite:
* @ctxt: the shell context
* @filename: the file name
* @node: a node in the tree
* @node2: unused
*
* Implements the XML shell function "write"
* Write the current node to the filename, it saves the serialization
* of the subtree under the @node specified
*
* Returns 0 or -1 in case of error
*/
static int
xmllintShellWrite(xmllintShellCtxtPtr ctxt, char *filename, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if (node == NULL)
return (-1);
if ((filename == NULL) || (filename[0] == 0)) {
return (-1);
}
switch (node->type) {
case XML_DOCUMENT_NODE:
if (xmlSaveFile((char *) filename, ctxt->doc) < -1) {
fprintf(ctxt->output,
"Failed to write to %s\n", filename);
return (-1);
}
break;
case XML_HTML_DOCUMENT_NODE:
#ifdef LIBXML_HTML_ENABLED
if (htmlSaveFile((char *) filename, ctxt->doc) < 0) {
fprintf(ctxt->output,
"Failed to write to %s\n", filename);
return (-1);
}
#else
if (xmlSaveFile((char *) filename, ctxt->doc) < -1) {
fprintf(ctxt->output,
"Failed to write to %s\n", filename);
return (-1);
}
#endif /* LIBXML_HTML_ENABLED */
break;
default:{
FILE *f;
f = fopen((char *) filename, "wb");
if (f == NULL) {
fprintf(ctxt->output,
"Failed to write to %s\n", filename);
return (-1);
}
xmlElemDump(f, ctxt->doc, node);
fclose(f);
}
}
return (0);
}
/**
* xmllintShellSave:
* @ctxt: the shell context
* @filename: the file name (optional)
* @node: unused
* @node2: unused
*
* Implements the XML shell function "save"
* Write the current document to the filename, or it's original name
*
* Returns 0 or -1 in case of error
*/
static int
xmllintShellSave(xmllintShellCtxtPtr ctxt, char *filename,
xmlNodePtr node ATTRIBUTE_UNUSED,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if ((ctxt == NULL) || (ctxt->doc == NULL))
return (-1);
if ((filename == NULL) || (filename[0] == 0))
filename = ctxt->filename;
if (filename == NULL)
return (-1);
switch (ctxt->doc->type) {
case XML_DOCUMENT_NODE:
if (xmlSaveFile((char *) filename, ctxt->doc) < 0) {
fprintf(ctxt->output,
"Failed to save to %s\n", filename);
}
break;
case XML_HTML_DOCUMENT_NODE:
#ifdef LIBXML_HTML_ENABLED
if (htmlSaveFile((char *) filename, ctxt->doc) < 0) {
fprintf(ctxt->output,
"Failed to save to %s\n", filename);
}
#else
if (xmlSaveFile((char *) filename, ctxt->doc) < 0) {
fprintf(ctxt->output,
"Failed to save to %s\n", filename);
}
#endif /* LIBXML_HTML_ENABLED */
break;
default:
fprintf(ctxt->output,
"To save to subparts of a document use the 'write' command\n");
return (-1);
}
return (0);
}
#endif /* LIBXML_OUTPUT_ENABLED */
#ifdef LIBXML_VALID_ENABLED
/**
* xmllintShellValidate:
* @ctxt: the shell context
* @dtd: the DTD URI (optional)
* @node: unused
* @node2: unused
*
* Implements the XML shell function "validate"
* Validate the document, if a DTD path is provided, then the validation
* is done against the given DTD.
*
* Returns 0 or -1 in case of error
*/
static int
xmllintShellValidate(xmllintShellCtxtPtr ctxt, char *dtd,
xmlNodePtr node ATTRIBUTE_UNUSED,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlValidCtxt vctxt;
int res = -1;
if ((ctxt == NULL) || (ctxt->doc == NULL)) return(-1);
memset(&vctxt, 0, sizeof(vctxt));
vctxt.error = xmllintShellPrintf;
vctxt.warning = xmllintShellPrintf;
vctxt.userData = ctxt;
if ((dtd == NULL) || (dtd[0] == 0)) {
res = xmlValidateDocument(&vctxt, ctxt->doc);
} else {
xmlDtdPtr subset;
subset = xmlParseDTD(NULL, (xmlChar *) dtd);
if (subset != NULL) {
res = xmlValidateDtd(&vctxt, ctxt->doc, subset);
xmlFreeDtd(subset);
}
}
return (res);
}
#endif /* LIBXML_VALID_ENABLED */
/**
* xmllintShellDu:
* @ctxt: the shell context
* @arg: unused
* @tree: a node defining a subtree
* @node2: unused
*
* Implements the XML shell function "du"
* show the structure of the subtree under node @tree
* If @tree is null, the command works on the current node.
*
* Returns 0 or -1 in case of error
*/
static int
xmllintShellDu(xmllintShellCtxtPtr ctxt,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr tree,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlNodePtr node;
int indent = 0, i;
if (!ctxt)
return (-1);
if (tree == NULL)
return (-1);
node = tree;
while (node != NULL) {
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
fprintf(ctxt->output, "/\n");
} else if (node->type == XML_ELEMENT_NODE) {
for (i = 0; i < indent; i++)
fprintf(ctxt->output, " ");
if ((node->ns) && (node->ns->prefix))
fprintf(ctxt->output, "%s:", node->ns->prefix);
fprintf(ctxt->output, "%s\n", node->name);
} else {
}
/*
* Browse the full subtree, deep first
*/
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
node = ((xmlDocPtr) node)->children;
} else if ((node->children != NULL)
&& (node->type != XML_ENTITY_REF_NODE)) {
/* deep first */
node = node->children;
indent++;
} else if ((node != tree) && (node->next != NULL)) {
/* then siblings */
node = node->next;
} else if (node != tree) {
/* go up to parents->next if needed */
while (node != tree) {
if (node->parent != NULL) {
node = node->parent;
indent--;
}
if ((node != tree) && (node->next != NULL)) {
node = node->next;
break;
}
if (node->parent == NULL) {
node = NULL;
break;
}
if (node == tree) {
node = NULL;
break;
}
}
/* exit condition */
if (node == tree)
node = NULL;