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adding a grep command to --shell in xmllint for T.V. Raman Daniel

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* debugXML.c: adding a grep command to --shell in xmllint
  for T.V. Raman
Daniel
This commit is contained in:
Daniel Veillard 2002-10-22 14:25:25 +00:00
parent 9cdcf36e70
commit 1e20822541
2 changed files with 86 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Tue Oct 22 16:25:18 CEST 2002 Daniel Veillard <daniel@veillard.com>
* debugXML.c: adding a grep command to --shell in xmllint
for T.V. Raman
Tue Oct 22 16:23:57 CEST 2002 Daniel Veillard <daniel@veillard.com>
* xmlcatalog.c: tried to fix some of the problem with --sgml

81
debugXML.c
View File

@ -1551,6 +1551,84 @@ xmlShellSetBase(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
return (0);
}
/**
* xmlShellGrep:
* @ctxt: the shell context
* @arg: the string or regular expression to find
* @node: a node
* @node2: unused
*
* Implements the XML shell function "grep"
* dumps informations about the node (namespace, attributes, content).
*
* Returns 0
*/
int
xmlShellGrep(xmlShellCtxtPtr 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, arg)) {
fprintf(ctxt->output, "%s : ", xmlGetNodePath(node));
xmlShellList(ctxt, NULL, node, NULL);
}
} else if (node->type == XML_TEXT_NODE) {
if (xmlStrstr(node->content, arg)) {
fprintf(ctxt->output, "%s : ", xmlGetNodePath(node->parent));
xmlShellList(ctxt, NULL, node, 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);
}
/**
* xmlShellDir:
* @ctxt: the shell context
@ -2102,6 +2180,7 @@ xmlShell(xmlDocPtr doc, char *filename, xmlShellReadlineFunc input,
fprintf(ctxt->output, "\tsave [name] save this document to name or the original name\n");
fprintf(ctxt->output, "\tvalidate check the document for errors\n");
fprintf(ctxt->output, "\twrite [name] write the current node to the filename\n");
fprintf(ctxt->output, "\tgrep string search for a string in the subtree\n");
} else if (!strcmp(command, "validate")) {
xmlShellValidate(ctxt, arg, NULL, NULL);
} else if (!strcmp(command, "load")) {
@ -2110,6 +2189,8 @@ xmlShell(xmlDocPtr doc, char *filename, xmlShellReadlineFunc input,
xmlShellSave(ctxt, arg, NULL, NULL);
} else if (!strcmp(command, "write")) {
xmlShellWrite(ctxt, arg, NULL, NULL);
} else if (!strcmp(command, "grep")) {
xmlShellGrep(ctxt, arg, ctxt->node, NULL);
} else if (!strcmp(command, "free")) {
if (arg[0] == 0) {
xmlMemShow(ctxt->output, 0);