/* Copyright (C) 2000-2011 by George Williams */
/*
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.

 * The name of the author may not be used to endorse or promote products
 * derived from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "fontforgevw.h"
#include <gfile.h>
#include <time.h>
#include <sys/time.h>
#include <locale.h>
#include <unistd.h>
#include <dynamic.h>
#ifdef __Mac
# include <stdlib.h>		/* getenv,setenv */
#endif

int32 unicode_from_adobestd[256];
struct lconv localeinfo;
char *coord_sep = ",";
const struct unicode_nameannot * const *const *_UnicodeNameAnnot = NULL;

static void initadobeenc(void) {
    int i,j;

    for ( i=0; i<0x100; ++i ) {
	if ( strcmp(AdobeStandardEncoding[i],".notdef")==0 )
	    unicode_from_adobestd[i] = 0xfffd;
	else {
	    j = UniFromName(AdobeStandardEncoding[i],ui_none,&custom);
	    if ( j==-1 ) j = 0xfffd;
	    unicode_from_adobestd[i] = j;
	}
    }
}

static void inituninameannot(void) {
#if _NO_LIBUNINAMESLIST
    _UnicodeNameAnnot = NULL;
#elif defined(_STATIC_LIBUNINAMESLIST) || defined(NODYNAMIC)
    extern const struct unicode_nameannot * const * const UnicodeNameAnnot[];
    _UnicodeNameAnnot = UnicodeNameAnnot;
#else
    DL_CONST void *libuninames=NULL;
    const char *loc = getenv("LC_ALL");
# ifdef LIBDIR
    char full[1024], buf[100];
# else
    char buf[100];
#endif
    int i;

    if ( loc==NULL ) loc = getenv("LC_MESSAGES");
    if ( loc==NULL ) loc = getenv("LANG");
    for ( i=0; i<4; ++i ) {
	strcpy(buf,"libuninameslist-");
	if ( i==3 )
	    buf[strlen(buf)-1] = '\0';
	    /* Use the default name */
	else if ( i==2 ) {
	    if ( loc==NULL || strlen( loc )<2 )
    continue;
	    strncat(buf,loc,2);
	} else if ( i==1 ) {
	    if ( loc==NULL || strlen( loc )<5 )
    continue;
	    strncat(buf,loc,5);
	} else if ( i==0 ) {
	    if ( loc==NULL || strlen( loc )<6 )
    continue;
	    strcat(buf,loc);
	}
	strcat(buf, SO_EXT );

# ifdef LIBDIR
#  if !defined(_NO_SNPRINTF) && !defined(VMS)
	snprintf( full, sizeof(full), "%s/%s", LIBDIR, buf );
#  else
	sprintf( full, "%s/%s", LIBDIR, buf );
#  endif
	libuninames = dlopen( full,RTLD_LAZY);
# endif
	if ( libuninames==NULL )
	    libuninames = dlopen( buf,RTLD_LAZY);
	if ( libuninames!=NULL ) {
	    _UnicodeNameAnnot = dlsym(libuninames,"UnicodeNameAnnot");
return;
	}
    }
#endif
}

static void initrand(void) {
    struct timeval tv;

    gettimeofday(&tv,NULL);
    srand(tv.tv_usec);
    srandom(tv.tv_usec);
}

static void initlibrarysearchpath(void) {
#ifdef __Mac
    /* If the user has not set library path, then point it at fink */
    /*  otherwise leave alone. On the mac people often use fink to */
    /*  install image libs. For some reason fink installs in a place */
    /*  the dynamic loader doesn't find */
    /* (And fink's attempts to set the PATH variables generally don't work */
    setenv("DYLD_LIBRARY_PATH","/sw/lib",0);
#endif
}

void InitSimpleStuff(void) {
    initlibrarysearchpath();
    initrand();
    initadobeenc();
    inituninameannot();

    setlocale(LC_ALL,"");
    localeinfo = *localeconv();
    coord_sep = ",";
    if ( *localeinfo.decimal_point=='.' ) coord_sep=",";
    else if ( *localeinfo.decimal_point!='.' ) coord_sep=" ";
    if ( getenv("FF_SCRIPT_IN_LATIN1") ) use_utf8_in_script=false;

    SetDefaults();
}

void doinitFontForgeMain(void) {
    static int inited = false;

    if ( inited )
return;
    InitSimpleStuff();
    if ( default_encoding==NULL )
	default_encoding=FindOrMakeEncoding("ISO8859-1");
    if ( default_encoding==NULL )
	default_encoding=&custom;	/* In case iconv is broken */
    inited = true;
}

void doversion(const char *source_version_str) {
    if ( source_version_str!=NULL )
	printf( "fontforge %s\n", source_version_str );
    printf( "libfontforge %d%s\n",
	    library_version_configuration.library_source_versiondate,
	    library_version_configuration.config_had_multilayer?"-ML":"" );
exit(0);
}
