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debugXML

debugXML - Tree debugging APIs

Interfaces to a set of routines used for debugging the tree produced by the XML parser.

Author(s): Daniel Veillard

Synopsis

typedef struct _xmlShellCtxt xmlShellCtxt;
typedef xmlShellCtxt * xmlShellCtxtPtr;
void	xmlDebugDumpAttrList		(FILE * output, 
xmlAttrPtr attr,
int depth); void xmlLsOneNode (FILE * output,
xmlNodePtr node); typedef char * xmlShellReadlineFunc (char * prompt); int xmlShellSave (xmlShellCtxtPtr ctxt,
char * filename,
xmlNodePtr node,
xmlNodePtr node2); const char * xmlBoolToText (int boolval); int xmlShellWrite (xmlShellCtxtPtr ctxt,
char * filename,
xmlNodePtr node,
xmlNodePtr node2); int xmlShellDu (xmlShellCtxtPtr ctxt,
char * arg,
xmlNodePtr tree,
xmlNodePtr node2); int xmlShellValidate (xmlShellCtxtPtr ctxt,
char * dtd,
xmlNodePtr node,
xmlNodePtr node2); int xmlDebugCheckDocument (FILE * output,
xmlDocPtr doc); void xmlShellPrintXPathResult (xmlXPathObjectPtr list); typedef int xmlShellCmd (xmlShellCtxtPtr ctxt,
char * arg,
xmlNodePtr node,
xmlNodePtr node2); int xmlShellLoad (xmlShellCtxtPtr ctxt,
char * filename,
xmlNodePtr node,
xmlNodePtr node2); void xmlDebugDumpString (FILE * output,
const xmlChar * str); int xmlShellBase (xmlShellCtxtPtr ctxt,
char * arg,
xmlNodePtr node,
xmlNodePtr node2); int xmlShellCat (xmlShellCtxtPtr ctxt,
char * arg,
xmlNodePtr node,
xmlNodePtr node2); void xmlDebugDumpDTD (FILE * output,
xmlDtdPtr dtd); void xmlDebugDumpNode (FILE * output,
xmlNodePtr node,
int depth); void xmlDebugDumpEntities (FILE * output,
xmlDocPtr doc); void xmlShellPrintNode (xmlNodePtr node); int xmlShellPwd (xmlShellCtxtPtr ctxt,
char * buffer,
xmlNodePtr node,
xmlNodePtr node2); void xmlDebugDumpNodeList (FILE * output,
xmlNodePtr node,
int depth); void xmlDebugDumpAttr (FILE * output,
xmlAttrPtr attr,
int depth); void xmlDebugDumpDocument (FILE * output,
xmlDocPtr doc); int xmlLsCountNode (xmlNodePtr node); void xmlShellPrintXPathError (int errorType,
const char * arg); int xmlShellDir (xmlShellCtxtPtr ctxt,
char * arg,
xmlNodePtr node,
xmlNodePtr node2); void xmlDebugDumpOneNode (FILE * output,
xmlNodePtr node,
int depth); int xmlShellList (xmlShellCtxtPtr ctxt,
char * arg,
xmlNodePtr node,
xmlNodePtr node2); void xmlDebugDumpDocumentHead (FILE * output,
xmlDocPtr doc); void xmlShell (xmlDocPtr doc,
char * filename,
xmlShellReadlineFunc input,
FILE * output);

Description

Details

Structure xmlShellCtxt

struct _xmlShellCtxt {
    char *	filename
    xmlDocPtr	doc
    xmlNodePtr	node
    xmlXPathContextPtr	pctxt
    int	loaded
    FILE *	output
    xmlShellReadlineFunc	input
} xmlShellCtxt;


Typedef xmlShellCtxtPtr

xmlShellCtxt * xmlShellCtxtPtr;


Function type xmlShellCmd

int	xmlShellCmd			(xmlShellCtxtPtr ctxt, 
char * arg,
xmlNodePtr node,
xmlNodePtr node2)

This is a generic signature for the XML shell functions.

ctxt:a shell context
arg:a string argument
node:a first node
node2:a second node
Returns:an int, negative returns indicating errors.



xmlDebugCheckDocument ()

int	xmlDebugCheckDocument		(FILE * output, 
xmlDocPtr doc)

Check the document for potential content problems, and output the errors to @output

output:the FILE * for the output
doc:the document
Returns:the number of errors found

xmlDebugDumpAttr ()

void	xmlDebugDumpAttr		(FILE * output, 
xmlAttrPtr attr,
int depth)

Dumps debug information for the attribute

output:the FILE * for the output
attr:the attribute
depth:the indentation level.

xmlDebugDumpAttrList ()

void	xmlDebugDumpAttrList		(FILE * output, 
xmlAttrPtr attr,
int depth)

Dumps debug information for the attribute list

output:the FILE * for the output
attr:the attribute list
depth:the indentation level.

xmlDebugDumpDTD ()

void	xmlDebugDumpDTD			(FILE * output, 
xmlDtdPtr dtd)

Dumps debug information for the DTD

output:the FILE * for the output
dtd:the DTD

xmlDebugDumpDocument ()

void	xmlDebugDumpDocument		(FILE * output, 
xmlDocPtr doc)

Dumps debug information for the document, it's recursive

output:the FILE * for the output
doc:the document

xmlDebugDumpDocumentHead ()

void	xmlDebugDumpDocumentHead	(FILE * output, 
xmlDocPtr doc)

Dumps debug information concerning the document, not recursive

output:the FILE * for the output
doc:the document

xmlDebugDumpEntities ()

void	xmlDebugDumpEntities		(FILE * output, 
xmlDocPtr doc)

Dumps debug information for all the entities in use by the document

output:the FILE * for the output
doc:the document

xmlDebugDumpNode ()

void	xmlDebugDumpNode		(FILE * output, 
xmlNodePtr node,
int depth)

Dumps debug information for the element node, it is recursive

output:the FILE * for the output
node:the node
depth:the indentation level.

xmlDebugDumpNodeList ()

void	xmlDebugDumpNodeList		(FILE * output, 
xmlNodePtr node,
int depth)

Dumps debug information for the list of element node, it is recursive

output:the FILE * for the output
node:the node list
depth:the indentation level.

xmlDebugDumpOneNode ()

void	xmlDebugDumpOneNode		(FILE * output, 
xmlNodePtr node,
int depth)

Dumps debug information for the element node, it is not recursive

output:the FILE * for the output
node:the node
depth:the indentation level.

xmlDebugDumpString ()

void	xmlDebugDumpString		(FILE * output, 
const
xmlChar * str)

Dumps informations about the string, shorten it if necessary

output:the FILE * for the output
str:the string

xmlLsCountNode ()

int	xmlLsCountNode			(xmlNodePtr node)

Count the children of @node.

node:the node to count
Returns:the number of children of @node.

xmlLsOneNode ()

void	xmlLsOneNode			(FILE * output, 
xmlNodePtr node)

Dump to @output the type and name of @node.

output:the FILE * for the output
node:the node to dump

xmlShell ()

void	xmlShell			(xmlDocPtr doc, 
char * filename,
xmlShellReadlineFunc input,
FILE * output)

Implements the XML shell This allow to load, validate, view, modify and save a document using a environment similar to a UNIX commandline.

doc:the initial document
filename:the output buffer
input:the line reading function
output:the output FILE*, defaults to stdout if NULL

xmlShellBase ()

int	xmlShellBase			(xmlShellCtxtPtr ctxt, 
char * arg,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "base" dumps the current XML base of the node

ctxt:the shell context
arg:unused
node:a node
node2:unused
Returns:0

xmlShellCat ()

int	xmlShellCat			(xmlShellCtxtPtr ctxt, 
char * arg,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "cat" dumps the serialization node content (XML or HTML).

ctxt:the shell context
arg:unused
node:a node
node2:unused
Returns:0

xmlShellDir ()

int	xmlShellDir			(xmlShellCtxtPtr ctxt, 
char * arg,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "dir" dumps informations about the node (namespace, attributes, content).

ctxt:the shell context
arg:unused
node:a node
node2:unused
Returns:0

xmlShellDu ()

int	xmlShellDu			(xmlShellCtxtPtr ctxt, 
char * arg,
xmlNodePtr tree,
xmlNodePtr node2)

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.

ctxt:the shell context
arg:unused
tree:a node defining a subtree
node2:unused
Returns:0 or -1 in case of error

xmlShellList ()

int	xmlShellList			(xmlShellCtxtPtr ctxt, 
char * arg,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "ls" Does an Unix like listing of the given node (like a directory)

ctxt:the shell context
arg:unused
node:a node
node2:unused
Returns:0

xmlShellLoad ()

int	xmlShellLoad			(xmlShellCtxtPtr ctxt, 
char * filename,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "load" loads a new document specified by the filename

ctxt:the shell context
filename:the file name
node:unused
node2:unused
Returns:0 or -1 if loading failed

xmlShellPrintNode ()

void	xmlShellPrintNode		(xmlNodePtr node)

Print node to the output FILE

node:a non-null node to print to the output FILE


xmlShellPrintXPathResult ()

void	xmlShellPrintXPathResult	(xmlXPathObjectPtr list)

Prints result to the output FILE

list:a valid result generated by an xpath evaluation

xmlShellPwd ()

int	xmlShellPwd			(xmlShellCtxtPtr ctxt, 
char * buffer,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "pwd" Show the full path from the root to the node, if needed building thumblers when similar elements exists at a given ancestor level. The output is compatible with XPath commands.

ctxt:the shell context
buffer:the output buffer
node:a node
node2:unused
Returns:0 or -1 in case of error

xmlShellSave ()

int	xmlShellSave			(xmlShellCtxtPtr ctxt, 
char * filename,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "save" Write the current document to the filename, or it's original name

ctxt:the shell context
filename:the file name (optional)
node:unused
node2:unused
Returns:0 or -1 in case of error

xmlShellValidate ()

int	xmlShellValidate		(xmlShellCtxtPtr ctxt, 
char * dtd,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "validate" Validate the document, if a DTD path is provided, then the validation is done against the given DTD.

ctxt:the shell context
dtd:the DTD URI (optional)
node:unused
node2:unused
Returns:0 or -1 in case of error

xmlShellWrite ()

int	xmlShellWrite			(xmlShellCtxtPtr ctxt, 
char * filename,
xmlNodePtr node,
xmlNodePtr node2)

Implements the XML shell function "write" Write the current node to the filename, it saves the serialization of the subtree under the @node specified

ctxt:the shell context
filename:the file name
node:a node in the tree
node2:unused
Returns:0 or -1 in case of error

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