tesseract/ccutil/tprintf.cpp
theraysmith@gmail.com aa9101ab92 Misc cleanup
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@773 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2012-10-09 00:39:54 +00:00

118 lines
3.7 KiB
C++

/**********************************************************************
* File: tprintf.c
* Description: Trace version of printf - portable between UX and NT
* Author: Phil Cheatle
* Created: Wed Jun 28 15:01:15 BST 1995
*
* (C) Copyright 1995, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#include "mfcpch.h" //precompiled headers
// Include automatically generated configuration file if running autoconf.
#ifdef HAVE_CONFIG_H
#include "config_auto.h"
#endif
#include <stdio.h>
#include <stdarg.h>
#include "strngs.h"
#include "params.h"
#include "tprintf.h"
#include "ccutil.h"
#define MAX_MSG_LEN 65536
#define EXTERN
// Since tprintf is protected by a mutex, these parameters can rmain global.
DLLSYM STRING_VAR(debug_file, "", "File to send tprintf output to");
DLLSYM void
tprintf( // Trace printf
const char *format, ... // special message
) {
tesseract::tprintfMutex.Lock();
va_list args; //variable args
static FILE *debugfp = NULL; //debug file
//debug window
inT32 offset = 0; //into message
static char msg[MAX_MSG_LEN + 1];
va_start(args, format); //variable list
#ifdef _WIN32
//Format into msg
offset += _vsnprintf (msg + offset, MAX_MSG_LEN - offset, format, args);
if (strcmp(debug_file.string(), "/dev/null") == 0)
debug_file.set_value("nul");
#else
//Format into msg
offset += vsprintf (msg + offset, format, args);
#endif
va_end(args);
if (debugfp == NULL && strlen (debug_file.string ()) > 0) {
debugfp = fopen (debug_file.string (), "wb");
} else if (debugfp != NULL && strlen (debug_file.string ()) == 0) {
fclose(debugfp);
debugfp = NULL;
}
if (debugfp != NULL)
fprintf(debugfp, "%s", msg);
else
fprintf(stderr, "%s", msg);
tesseract::tprintfMutex.Unlock();
}
/*************************************************************************
* pause_continue()
* UI for a debugging pause - to see an intermediate state
* Returns TRUE to continue as normal to the next pause in the current mode;
* FALSE to quit the current pausing mode.
*************************************************************************/
DLLSYM BOOL8
//special message
pause_continue (const char *format, ...
) {
va_list args; //variable args
char msg[1000];
STRING str = STRING ("DEBUG PAUSE:\n");
va_start(args, format); //variable list
vsprintf(msg, format, args); //Format into msg
va_end(args);
#ifdef GRAPHICS_DISABLED
// No interaction allowed -> simply go on
return true;
#else
#ifdef __UNIX__
printf ("%s\n", msg);
printf ("Type \"c\" to cancel, anything else to continue: ");
char c = getchar ();
return (c != 'c');
#endif
#ifdef _WIN32
str +=
STRING (msg) + STRING ("\nUse OK to continue, CANCEL to stop pausing");
// return AfxMessageBox( str.string(), MB_OKCANCEL ) == IDOK;
return::MessageBox (NULL, msg, "IMGAPP",
MB_APPLMODAL | MB_OKCANCEL) == IDOK;
#endif
#endif
}