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/* pstotxtd.c */
/* OS/2 and Win32 Command line interface to pstotxt[23].dll */
/* 8086 MS-DOS command line EXE. */
/* Russell Lang */
/* derived from main.c */
/* Copyright (C) 1995, Digital Equipment Corporation. */
/* All rights reserved. */
/* See the file pstotext.txt for a full description. */
/* Last modified on Fri Jan 9 21:11:00 AEST 2004 by rjl */
/* modified on Sat Mar 11 09:16:00 AEST 2000 by rjl */
/* modified on Fri Oct 16 16:30:54 PDT 1998 by mcjones */
/* modified on Thu Nov 16 13:33:13 PST 1995 by deutsch */
/* Modifications by rjl
* Fixed compiler warnings.
*/
#ifndef MSDOS
#ifdef _Windows
#include <windows.h>
#include <io.h>
#ifndef __BORLANDC__
#define mktemp(t) _mktemp(t)
#endif
#else
#define INCL_DOS
#include <os2.h>
#endif
#endif
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef MSDOS
#include <io.h>
#include <ctype.h>
#include "bundle.h"
#include "ocr.h"
#include "rot270.h"
#include "rot90.h"
typedef int HMODULE;
#endif
#include "ptotdll.h"
#define BOOLEAN int
#define FALSE 0
#define TRUE 1
#define LINELEN 2000 /* longest allowable line from gs ocr.ps output */
/* resource IDs for pstotxt3.dll */
#define OCR_PROLOG 1
#define ROT270_PROLOG 2
#define ROT90_PROLOG 3
static int cleanup(void);
static void do_it(char *path);
#define strcasecmp stricmp
#define MAXPATHLEN 256
static int debug = FALSE;
static int cork = FALSE;
#ifdef MSDOS
static char *gscommand = "gs386.exe";
#else
#ifdef _Windows
static char *gscommand = "gswin32c.exe";
#else
static char *gscommand = "gsos2.exe";
#endif
#endif
static char *outfile = "";
static char *cmd; /* = argv[0] */
static enum {
portrait,
landscape,
landscapeOther} orientation = portrait;
static int bboxes = FALSE;
static int explicitFiles = 0; /* count of explicit file arguments */
void usage(void) {
fprintf(stderr, "pstotext 1.8i of 2003-01-08\n");
fprintf(stderr, "Copyright (C) 1995-1998, Digital Equipment Corporation.\n");
fprintf(stderr, "Modified by Ghostgum Software Pty Ltd for Ghostscript 6.0.\n");
fprintf(stderr, "Comments to {mcjones,birrell}@pa.dec.com.\n\n");
fprintf(stderr, "Usage: %s [option|file]...\n", cmd);
fprintf(stderr, "Options:\n");
fprintf(stderr, " -cork Assume Cork encoding for dvips output\n");
fprintf(stderr, " -landscape rotate 270 degrees\n");
fprintf(stderr, " -landscapeOther rotate 90 degrees\n");
fprintf(stderr, " -portrait don't rotate (default)\n");
fprintf(stderr, " -bboxes output one word per line with bounding box\n");
fprintf(stderr, " -debug show Ghostscript output and error messages\n");
fprintf(stderr, " -gs \042command\042 Ghostscript command\n");
fprintf(stderr, " -output file output results to \042file\042 (default is stdout)\n");
fprintf(stderr, " - read from stdin (default if no files specified)\n");
}
#ifndef _Windows
#define WINAPI /* nothing for OS/2 or MSDOS */
#endif
typedef int (WINAPI *PFN_pstotextInit)(void **instance);
typedef int (WINAPI *PFN_pstotextFilter)(void *instance, char *instr,
char **pre, char **word, char **post,
int *llx, int *lly, int *urx, int *ury);
typedef int (WINAPI *PFN_pstotextExit)(void *instance);
typedef int (WINAPI *PFN_pstotextSetCork)(void *instance, int value);
HMODULE pstotextModule;
void *pstotextInstance;
PFN_pstotextInit dllfn_pstotextInit;
PFN_pstotextFilter dllfn_pstotextFilter;
PFN_pstotextExit dllfn_pstotextExit;
PFN_pstotextSetCork dllfn_pstotextSetCork;
#ifdef _Windows
int
load_pstotext(void)
{
char dllname[256];
char *p;
/* get path to EXE */
GetModuleFileName(0, dllname, sizeof(dllname));
if ((p = strrchr(dllname,'\\')) != (char *)NULL)
p++;
else
p = dllname;
*p = '\0';
#ifdef __WIN32__
#ifdef DECALPHA
strcat(dllname, "pstotxta.dll");
#else
strcat(dllname, "pstotxt3.dll");
#endif
#else
strcat(dllname, "pstotxt1.dll");
#endif
if (debug) {
fputs(dllname, stdout);
fputc('\n', stdout);
}
/* load pstotext DLL */
pstotextModule = LoadLibrary(dllname);
if (pstotextModule < (HINSTANCE)HINSTANCE_ERROR) {
fprintf(stderr, "Can't load %s\n", dllname);
return 1;
}
dllfn_pstotextInit = (PFN_pstotextInit) GetProcAddress(pstotextModule, "pstotextInit");
if (dllfn_pstotextInit == (PFN_pstotextInit)NULL) {
fprintf(stderr, "Can't find pstotextInit() in %s\n", dllname);
FreeLibrary(pstotextModule);
return 1;
}
dllfn_pstotextFilter = (PFN_pstotextFilter) GetProcAddress(pstotextModule, "pstotextFilter");
if (dllfn_pstotextFilter == (PFN_pstotextFilter)NULL) {
fprintf(stderr, "Can't find pstotextFilter() in %s\n", dllname);
FreeLibrary(pstotextModule);
return 1;
}
dllfn_pstotextExit = (PFN_pstotextExit) GetProcAddress(pstotextModule, "pstotextExit");
if (dllfn_pstotextExit == (PFN_pstotextExit)NULL) {
fprintf(stderr, "Can't find pstotextExit() in %s\n", dllname);
FreeLibrary(pstotextModule);
return 1;
}
dllfn_pstotextSetCork = (PFN_pstotextSetCork) GetProcAddress(pstotextModule, "pstotextSetCork");
if (dllfn_pstotextSetCork == (PFN_pstotextSetCork)NULL) {
fprintf(stderr, "Can't find pstotextSetCork() in %s\n", dllname);
FreeLibrary(pstotextModule);
return 1;
}
dllfn_pstotextInit(&pstotextInstance);
return 0;
}
int
unload_pstotext(void)
{
if (pstotextInstance)
dllfn_pstotextExit(pstotextInstance);
pstotextInstance = NULL;
FreeLibrary(pstotextModule);
pstotextModule = NULL;
return 0;
}
void
send_prolog(FILE *f, int resource)
{
HGLOBAL hglobal;
LPSTR prolog;
hglobal = LoadResource(pstotextModule,
FindResource(pstotextModule, (LPSTR)resource, RT_RCDATA));
if ( (prolog = (LPSTR)LockResource(hglobal)) != (LPSTR)NULL) {
fputs(prolog, f);
FreeResource(hglobal);
}
}
#else /* !_Windows */
#ifdef MSDOS
int
load_pstotext(void)
{
dllfn_pstotextInit = pstotextInit;
dllfn_pstotextFilter = pstotextFilter;
dllfn_pstotextExit = pstotextExit;
dllfn_pstotextSetCork = pstotextSetCork;
dllfn_pstotextInit(&pstotextInstance);
return 0;
}
int
unload_pstotext(void)
{
return 0;
}
void
send_prolog(FILE *f, int resource)
{
switch (resource) {
case OCR_PROLOG:
putbundle(ocr, f);
break;
case ROT270_PROLOG:
putbundle(rot270, f);
break;
case ROT90_PROLOG:
putbundle(rot90, f);
break;
}
}
#else /* !_Windows && !MSDOS */
/* OS/2 */
int
load_pstotext(void)
{
char dllname[256];
char buf[256];
char *p;
APIRET rc;
PTIB pptib;
PPIB pppib;
if ( (rc = DosGetInfoBlocks(&pptib, &pppib)) != 0 ) {
fprintf(stderr,"Couldn't get pid, rc = \n", rc);
return rc;
}
/* get path to EXE */
if ( (rc = DosQueryModuleName(pppib->pib_hmte, sizeof(dllname), dllname)) != 0 ) {
fprintf(stderr,"Couldn't get module name, rc = %d\n", rc);
return rc;
}
if ((p = strrchr(dllname,'\\')) != (PCHAR)NULL) {
p++;
*p = '\0';
}
strcat(dllname, "pstotxt2.dll");
if (debug) {
fputs(dllname, stdout);
fputc('\n', stdout);
}
/* load pstotext DLL */
if (DosLoadModule(buf, sizeof(buf), dllname, &pstotextModule)) {
fprintf(stderr, "Can't load %s\n", dllname);
return 1;
}
if ((rc = DosQueryProcAddr(pstotextModule, 0, "pstotextInit", (PFN *)(&dllfn_pstotextInit))) !=0) {
fprintf(stderr, "Can't find pstotextInit() in %s\n", dllname);
DosFreeModule(pstotextModule);
pstotextModule = (HMODULE)NULL;
return 1;
}
if ((rc = DosQueryProcAddr(pstotextModule, 0, "pstotextFilter", (PFN *)(&dllfn_pstotextFilter))) !=0) {
fprintf(stderr, "Can't find pstotextFilter() in %s\n", dllname);
DosFreeModule(pstotextModule);
pstotextModule = (HMODULE)NULL;
return 1;
}
if ((rc = DosQueryProcAddr(pstotextModule, 0, "pstotextExit", (PFN *)(&dllfn_pstotextExit))) !=0) {
fprintf(stderr, "Can't find pstotextExit() in %s\n", dllname);
DosFreeModule(pstotextModule);
pstotextModule = (HMODULE)NULL;
return 1;
}
if ((rc = DosQueryProcAddr(pstotextModule, 0, "pstotextSetCork", (PFN *)(&dllfn_pstotextSetCork))) !=0) {
fprintf(stderr, "Can't find pstotextSetCork() in %s\n", dllname);
DosFreeModule(pstotextModule);
pstotextModule = (HMODULE)NULL;
return 1;
}
dllfn_pstotextInit(&pstotextInstance);
return 0;
}
int
unload_pstotext(void)
{
if (pstotextInstance)
dllfn_pstotextExit(pstotextInstance);
pstotextInstance = NULL;
if (pstotextModule)
DosFreeModule(pstotextModule);
pstotextModule = (HMODULE)NULL;
return 0;
}
int
send_prolog(FILE *f, int resource)
{
char *prolog, *p;
APIRET rc;
int code = -1;
rc = DosGetResource(pstotextModule, RT_RCDATA, resource, (PPVOID)&prolog);
if (!rc && (prolog != (char *)NULL) ) {
code = 0;
p = prolog;
while (*p) {
if (!code)
fputs(p, f);
p += strlen(p)+1;
}
DosFreeResource(prolog);
}
else {
fprintf(stderr, "Failed to load pstotext resource %d\n", resource);
}
return code;
}
#endif /* OS/2 (!MSDOS) */
#endif /* (!_Windows) */
/* create an empty temporary file and return its name */
static char *scratch_file(void) {
FILE *f;
char *temp;
char *path = malloc(256);
if (path == NULL)
return NULL;
if ( (temp = getenv("TEMP")) != NULL )
strcpy(path, temp);
else if ( (temp = getenv("TMP")) != NULL )
strcpy(path, temp);
else
strcpy(path, "c:\\");
/* Prevent X's in path from being converted by mktemp. */
for ( temp = path; *temp; temp++ ) {
*temp = (char)tolower(*temp);
if (*temp == '/')
*temp = '\\';
}
if ( strlen(path) && (path[strlen(path)-1] != '\\') )
strcat(path, "\\");
strcat(path, "ptXXXXXX");
mktemp(path);
f = fopen(path, "w");
if (f==NULL) {perror(cmd); exit(1);}
fclose(f);
return path;
}
static char *make_temp(int resource) {
/* Return pathname of temporary file containing prolog from resources. Caller
should unlink file (and, technically, free pathname). */
FILE *f;
char *path = scratch_file();
if (path == NULL) {perror(cmd); cleanup(); exit(1);}
f = fopen(path, "w");
if (f==NULL) {perror(cmd); cleanup(); exit(1);}
send_prolog(f, resource);
fclose(f);
return path;
}
static char *ocr_path = NULL, *rotate_path = NULL;
static FILE *gs = NULL;
char *gstemp = NULL;
static void *instance; /* pstotext state */
static int cleanup(void) {
int status = 0;
unload_pstotext();
if (gs!=NULL) {
#if defined(_Windows) || defined(MSDOS)
fclose(gs);
#else
pclose(gs);
#endif
}
if (gstemp!=NULL && !debug)
unlink(gstemp);
if (rotate_path!=NULL && strcmp(rotate_path, "")!=0 && !debug)
unlink(rotate_path);
if (ocr_path!=NULL && !debug)
unlink(ocr_path);
return status;
}
static void handler(int code) {
int status = code; /* suppress unreference 'code' warning */
status = cleanup();
if (status!=0)
exit(status);
exit(2);
}
static void do_it(char *path) {
/* If "path" is NULL, then "stdin" should be processed. */
char gs_cmd[2*MAXPATHLEN];
char input[MAXPATHLEN];
int status;
FILE *fileout;
#ifdef MSDOS
char *gsargtemp;
FILE *gsargfile;
#endif
fileout = stdout;
if (strlen(outfile) != 0) {
fileout = fopen(outfile, "w");
if (fileout == NULL) {perror(cmd); exit(1);}
}
signal(SIGINT, handler);
signal(SIGTERM, handler);
status = load_pstotext();
if (status!=0) {
fprintf(stderr, "%s: internal error %d\n", cmd, status);
exit(5);
}
if (cork) {
status = dllfn_pstotextSetCork(pstotextInstance, TRUE);
if (status!=0) {
fprintf(stderr, "%s: internal error %d\n", cmd, status);
exit(5);
}
}
ocr_path = make_temp(OCR_PROLOG);
switch (orientation) {
case portrait: rotate_path = ""; break;
case landscape: rotate_path = make_temp(ROT270_PROLOG); break;
case landscapeOther: rotate_path = make_temp(ROT90_PROLOG); break;
}
if (path==NULL) strcpy(input, "-");
else {strcpy(input, "-- "); strcat(input, path);}
#if defined(_Windows) || defined(MSDOS)
/* don't support pipes, so write gs output to a temporary file */
if ( (gstemp = scratch_file()) == NULL) {
cleanup();
exit(1);
}
#endif
#ifdef MSDOS
/* MSDOS has command line length problems */
if ( (gsargtemp = scratch_file()) == NULL) {
cleanup();
exit(1);
}
if ( (gsargfile = fopen(gsargtemp, "w")) == (FILE *)NULL) {
cleanup();
exit(1);
}
fprintf(gsargfile, "-r72 -dNODISPLAY -dFIXEDMEDIA -dDELAYBIND -dWRITESYSTEMDICT %s -dNOPAUSE\n",
(debug ? "" : "-q"));
fputs(rotate_path, gsargfile);
fputs("\n", gsargfile);
fputs(ocr_path, gsargfile);
fputs("\n", gsargfile);
fputs(input, gsargfile);
fputs("\n", gsargfile);
fclose(gsargfile);
sprintf(gs_cmd, "%s @%s %s %s", gscommand, gsargtemp,
#if defined(_Windows) || defined(MSDOS)
"> ", gstemp
#else
"", ""
#endif
);
#else /* !MSDOS */
sprintf(gs_cmd, "%s -r72 -dNODISPLAY -dFIXEDMEDIA -dDELAYBIND -dWRITESYSTEMDICT %s -dNOPAUSE %s %s %s %s %s",
gscommand,
(debug ? "" : "-q"),
ocr_path,
rotate_path,
input,
#if defined(_Windows) || defined(MSDOS)
"> ", gstemp
#else
"", ""
#endif
);
#endif
if (debug) {
fputs(gs_cmd, stdout);
fputc('\n', stdout);
}
#if defined(_Windows) || defined(MSDOS)
if (system(gs_cmd)) {
fprintf(stderr,"\nCan't run (errno=%d):\n %s\n", errno, gs_cmd);
cleanup();
exit(1);
}
gs = fopen(gstemp, "r");
#else
gs = popen(gs_cmd, "r");
#endif
#ifdef MSDOS
if (!debug)
unlink(gsargtemp);
free(gsargtemp);
#endif
if( gs==NULL ) {perror(cmd); cleanup(); exit(1);}
while (gs != NULL) { /* while TRUE */
char line[LINELEN];
char *pre, *word, *post;
int llx, lly, urx, ury;
if (fgets(line, LINELEN, gs)==NULL) break;
if (debug)
fputs(line, stdout);
status = dllfn_pstotextFilter(
pstotextInstance, line, &pre, &word, &post, &llx, &lly, &urx, &ury);
if (status!=0) {
fprintf(stderr, "%s: internal error %d\n", cmd, status);
cleanup();
exit(5);
}
if (word!=NULL)
if (!bboxes) {
fputs(pre, fileout); fputs(word, fileout); fputs(post, fileout);
if (debug)
fputc('\n', stdout);
}
else {
if (pre) {
if (*pre == ' ')
pre++;
fputs(pre, fileout);
}
fprintf(fileout, "%6d\t%6d\t%6d\t%6d\t%s\n", llx, lly, urx, ury, word);
if (post)
fputs(post, fileout);
}
}
if (fileout != stdout) fclose(fileout);
status = cleanup();
if (status!=0) exit(status);
}
int main(int argc, char *argv[]) {
int i;
char *arg;
cmd = argv[0];
for (i = 1; i<argc; i++) {
arg = argv[i];
if (strcasecmp(arg, "-landscape")==0) orientation = landscape;
else if (strcasecmp(arg, "-cork")==0) cork = TRUE;
else if (strcasecmp(arg, "-landscapeOther")==0) orientation = landscapeOther;
else if (strcasecmp(arg, "-portrait")==0) orientation = portrait;
else if (strcasecmp(arg, "-bboxes")==0) bboxes = TRUE;
else if (strcasecmp(arg, "-debug")==0) debug = TRUE;
else if (strcasecmp(arg, "-gs")==0) {
i++;
if (i<argc)
gscommand = argv[i];
}
else if (strcasecmp(arg, "-output") == 0) {
i++;
if (i>=argc) {usage(); exit(1);}
outfile = argv[i];
}
else if (strcmp(arg, "-")==0) do_it(NULL);
else if (arg[0] == '-') {usage(); exit(1);}
else /* file */ {
explicitFiles++;
do_it(arg);
}
}
if (explicitFiles==0) do_it(NULL);
return 0;
}
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