xmllint.c

SIP（Session Initiation Protocol）是由IETF定义

/*
 * xmllint.c : a small tester program for XML input.
 *
 * See Copyright for the status of this software.
 *
 * [e-mail]
 */

#ifdef WIN32
#include "win32config.h"
#else
#include "config.h"
#endif

#include <stdio.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_LIBREADLINE
#include <readline/readline.h>
#ifdef HAVE_LIBHISTORY
#include <readline/history.h>
#endif
#endif

#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <libxml/parserInternals.h>
#include <libxml/HTMLparser.h>
#include <libxml/HTMLtree.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <libxml/debugXML.h>

#ifdef LIBXML_DEBUG_ENABLED
static int debug = 0;
static int shell = 0;
static int debugent = 0;
#endif
static int copy = 0;
static int recovery = 0;
static int noent = 0;
static int noout = 0;
static int nowrap = 0;
static int valid = 0;
static int postvalid = 0;
static int repeat = 0;
static int insert = 0;
static int compress = 0;
static int html = 0;
static int htmlout = 0;
static int push = 0;
static int noblanks = 0;
static int testIO = 0;

extern int xmlDoValidityCheckingDefaultValue;
extern int xmlGetWarningsDefaultValue;

/************************************************************************
 * 									*
 * 			HTML ouput					*
 * 									*
 ************************************************************************/
char buffer[50000];

void
xmlHTMLEncodeSend(void) {
    char *result;

    result = (char *) xmlEncodeEntitiesReentrant(NULL, BAD_CAST buffer);
    if (result) {
	fprintf(stderr, "%s", result);
	xmlFree(result);
    }
    buffer[0] = 0;
}

/**
 * xmlHTMLPrintFileInfo:
 * @input:  an xmlParserInputPtr input
 * 
 * Displays the associated file and line informations for the current input
 */

void
xmlHTMLPrintFileInfo(xmlParserInputPtr input) {
    fprintf(stderr, "<p>");
    if (input != NULL) {
	if (input->filename) {
	    sprintf(&buffer[strlen(buffer)], "%s:%d: ", input->filename,
		    input->line);
	} else {
	    sprintf(&buffer[strlen(buffer)], "Entity: line %d: ", input->line);
	}
    }
    xmlHTMLEncodeSend();
}

/**
 * xmlHTMLPrintFileContext:
 * @input:  an xmlParserInputPtr input
 * 
 * Displays current context within the input content for error tracking
 */

void
xmlHTMLPrintFileContext(xmlParserInputPtr input) {
    const xmlChar *cur, *base;
    int n;

    if (input == NULL) return;
    fprintf(stderr, "<pre>\n");
    cur = input->cur;
    base = input->base;
    while ((cur > base) && ((*cur == '\n') || (*cur == '\r'))) {
	cur--;
    }
    n = 0;
    while ((n++ < 80) && (cur > base) && (*cur != '\n') && (*cur != '\r'))
        cur--;
    if ((*cur == '\n') || (*cur == '\r')) cur++;
    base = cur;
    n = 0;
    while ((*cur != 0) && (*cur != '\n') && (*cur != '\r') && (n < 79)) {
        sprintf(&buffer[strlen(buffer)], "%c", (unsigned char) *cur++);
	n++;
    }
    sprintf(&buffer[strlen(buffer)], "\n");
    cur = input->cur;
    while ((*cur == '\n') || (*cur == '\r'))
	cur--;
    n = 0;
    while ((cur != base) && (n++ < 80)) {
        sprintf(&buffer[strlen(buffer)], " ");
        base++;
    }
    sprintf(&buffer[strlen(buffer)],"^\n");
    xmlHTMLEncodeSend();
    fprintf(stderr, "</pre>");
}

/**
 * xmlHTMLError:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 * 
 * Display and format an error messages, gives file, line, position and
 * extra parameters.
 */
void
xmlHTMLError(void *ctx, const char *msg, ...)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr input;
    xmlParserInputPtr cur = NULL;
    va_list args;

    buffer[0] = 0;
    input = ctxt->input;
    if ((input != NULL) && (input->filename == NULL) && (ctxt->inputNr > 1)) {
	cur = input;
        input = ctxt->inputTab[ctxt->inputNr - 2];
    }
        
    xmlHTMLPrintFileInfo(input);

    fprintf(stderr, "<b>error</b>: ");
    va_start(args, msg);
    vsprintf(&buffer[strlen(buffer)], msg, args);
    va_end(args);
    xmlHTMLEncodeSend();
    fprintf(stderr, "</p>\n");

    xmlHTMLPrintFileContext(input);
    xmlHTMLEncodeSend();
}

/**
 * xmlHTMLWarning:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 * 
 * Display and format a warning messages, gives file, line, position and
 * extra parameters.
 */
void
xmlHTMLWarning(void *ctx, const char *msg, ...)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr input;
    xmlParserInputPtr cur = NULL;
    va_list args;

    buffer[0] = 0;
    input = ctxt->input;
    if ((input != NULL) && (input->filename == NULL) && (ctxt->inputNr > 1)) {
	cur = input;
        input = ctxt->inputTab[ctxt->inputNr - 2];
    }
        

    xmlHTMLPrintFileInfo(input);
        
    fprintf(stderr, "<b>warning</b>: ");
    va_start(args, msg);
    vsprintf(&buffer[strlen(buffer)], msg, args);
    va_end(args);
    xmlHTMLEncodeSend();
    fprintf(stderr, "</p>\n");

    xmlHTMLPrintFileContext(input);
    xmlHTMLEncodeSend();
}

/**
 * xmlHTMLValidityError:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 * 
 * Display and format an validity error messages, gives file,
 * line, position and extra parameters.
 */
void
xmlHTMLValidityError(void *ctx, const char *msg, ...)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr input;
    va_list args;

    buffer[0] = 0;
    input = ctxt->input;
    if ((input->filename == NULL) && (ctxt->inputNr > 1))
        input = ctxt->inputTab[ctxt->inputNr - 2];
        
    xmlHTMLPrintFileInfo(input);

    fprintf(stderr, "<b>validity error</b>: ");
    va_start(args, msg);
    vsprintf(&buffer[strlen(buffer)], msg, args);
    va_end(args);
    xmlHTMLEncodeSend();
    fprintf(stderr, "</p>\n");

    xmlHTMLPrintFileContext(input);
    xmlHTMLEncodeSend();
}

/**
 * xmlHTMLValidityWarning:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 * 
 * Display and format a validity warning messages, gives file, line,
 * position and extra parameters.
 */
void
xmlHTMLValidityWarning(void *ctx, const char *msg, ...)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
    xmlParserInputPtr input;
    va_list args;

    buffer[0] = 0;
    input = ctxt->input;
    if ((input->filename == NULL) && (ctxt->inputNr > 1))
        input = ctxt->inputTab[ctxt->inputNr - 2];

    xmlHTMLPrintFileInfo(input);
        
    fprintf(stderr, "<b>validity warning</b>: ");
    va_start(args, msg);
    vsprintf(&buffer[strlen(buffer)], msg, args);
    va_end(args);
    xmlHTMLEncodeSend();
    fprintf(stderr, "</p>\n");

    xmlHTMLPrintFileContext(input);
    xmlHTMLEncodeSend();
}

/************************************************************************
 * 									*
 * 			Shell Interface					*
 * 									*
 ************************************************************************/
/**
 * xmlShellReadline:
 * @prompt:  the prompt value
 *
 * Read a string
 * 
 * Returns a pointer to it or NULL on EOF the caller is expected to
 *     free the returned string.
 */
char *
xmlShellReadline(char *prompt) {
#ifdef HAVE_LIBREADLINE
    char *line_read;

    /* Get a line from the user. */
    line_read = readline (prompt);

    /* If the line has any text in it, save it on the history. */
    if (line_read && *line_read)
	add_history (line_read);

    return (line_read);
#else
    char line_read[501];

    if (prompt != NULL)