/*
* copacin.c
*
* Copyright (c) Chris Putnam 2004-2018
*
* Program and source code released under the GPL version 2
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "is_ws.h"
#include "str.h"
#include "str_conv.h"
#include "slist.h"
#include "name.h"
#include "fields.h"
#include "reftypes.h"
#include "bibformats.h"
#include "generic.h"
extern variants copac_all[];
extern int copac_nall;
/*****************************************************
PUBLIC: void copacin_initparams()
*****************************************************/
static int copacin_readf( FILE *fp, char *buf, int bufsize, int *bufpos, str *line, str *reference, int *fcharset );
static int copacin_processf( fields *bibin, char *p, char *filename, long nref, param *pm );
static int copacin_convertf( fields *bibin, fields *info, int reftype, param *pm );
void
copacin_initparams( param *p, const char *progname )
{
p->readformat = BIBL_COPACIN;
p->charsetin = BIBL_CHARSET_DEFAULT;
p->charsetin_src = BIBL_SRC_DEFAULT;
p->latexin = 0;
p->xmlin = 0;
p->utf8in = 0;
p->nosplittitle = 0;
p->verbose = 0;
p->addcount = 0;
p->output_raw = 0;
p->readf = copacin_readf;
p->processf = copacin_processf;
p->cleanf = NULL;
p->typef = NULL;
p->convertf = copacin_convertf;
p->all = copac_all;
p->nall = copac_nall;
slist_init( &(p->asis) );
slist_init( &(p->corps) );
if ( !progname ) p->progname = NULL;
else p->progname = strdup( progname );
}
/*****************************************************
PUBLIC: int copacin_readf()
*****************************************************/
/* Endnote-Refer/Copac tag definition:
character 1 = alphabetic character
character 2 = alphabetic character
character 3 = dash
character 4 = space
*/
static int
copacin_istag( char *buf )
{
if (! ((buf[0]>='A' && buf[0]<='Z')) || (buf[0]>='a' && buf[0]<='z') )
return 0;
if (! ((buf[1]>='A' && buf[1]<='Z')) || (buf[1]>='a' && buf[1]<='z') )
return 0;
if (buf[2]!='-' ) return 0;
if (buf[3]!=' ' ) return 0;
return 1;
}
static int
readmore( FILE *fp, char *buf, int bufsize, int *bufpos, str *line )
{
if ( line->len ) return 1;
else return str_fget( fp, buf, bufsize, bufpos, line );
}
static int
copacin_readf( FILE *fp, char *buf, int bufsize, int *bufpos, str *line, str *reference, int *fcharset )
{
int haveref = 0, inref=0;
char *p;
*fcharset = CHARSET_UNKNOWN;
while ( !haveref && readmore( fp, buf, bufsize, bufpos, line ) ) {
/* blank line separates */
if ( line->data==NULL ) continue;
if ( inref && line->len==0 ) haveref=1;
p = &(line->data[0]);
/* Recognize UTF8 BOM */
if ( line->len > 2 &&
(unsigned char)(p[0])==0xEF &&
(unsigned char)(p[1])==0xBB &&
(unsigned char)(p[2])==0xBF ) {
*fcharset = CHARSET_UNICODE;
p += 3;
}
if ( copacin_istag( p ) ) {
if ( inref ) str_addchar( reference, '\n' );
str_strcatc( reference, p );
str_empty( line );
inref = 1;
} else if ( inref ) {
if ( p ) {
/* copac puts tag only on 1st line */
str_addchar( reference, ' ' );
if ( *p ) p++;
if ( *p ) p++;
if ( *p ) p++;
str_strcatc( reference, p );
}
str_empty( line );
} else {
str_empty( line );
}
}
return haveref;
}
/*****************************************************
PUBLIC: int copacin_processf()
*****************************************************/
static char*
copacin_addtag2( char *p, str *tag, str *data )
{
int i;
i =0;
while ( i<3 && *p ) {
str_addchar( tag, *p++ );
i++;
}
while ( *p==' ' || *p=='\t' ) p++;
while ( *p && *p!='\r' && *p!='\n' ) {
str_addchar( data, *p );
p++;
}
str_trimendingws( data );
while ( *p=='\n' || *p=='\r' ) p++;
return p;
}
static char *
copacin_nextline( char *p )
{
while ( *p && *p!='\n' && *p!='\r') p++;
while ( *p=='\n' || *p=='\r' ) p++;
return p;
}
static int
copacin_processf( fields *copacin, char *p, char *filename, long nref, param *pm )
{
str tag, data;
int status;
str_init( &tag );
str_init( &data );
while ( *p ) {
p = skip_ws( p );
if ( copacin_istag( p ) ) {
p = copacin_addtag2( p, &tag, &data );
/* don't add empty strings */
if ( str_has_value( &tag ) && str_has_value( &data ) ) {
status = fields_add( copacin, tag.data, data.data, 0 );
if ( status!=FIELDS_OK ) return 0;
}
str_empty( &tag );
str_empty( &data );
}
else p = copacin_nextline( p );
}
str_free( &tag );
str_free( &data );
return 1;
}
/*****************************************************
PUBLIC: int copacin_convertf(), returns BIBL_OK or BIBL_ERR_MEMERR
*****************************************************/
/* copac names appear to always start with last name first, but don't
* always seem to have a comma after the name
*
* editors seem to be stuck in as authors with the tag "[Editor]" in it
*/
static int
copacin_person( fields *bibin, int n, str *intag, str *invalue, int level, param *pm, char *outtag, fields *bibout )
{
char *usetag = outtag, editor[]="EDITOR";
int comma = 0, i, ok, status;
str usename, *s;
slist tokens;
if ( slist_find( &(pm->asis), invalue ) !=-1 ||
slist_find( &(pm->corps), invalue ) !=-1 ) {
ok = name_add( bibout, outtag, invalue->data, level, &(pm->asis), &(pm->corps) );
if ( ok ) return BIBL_OK;
else return BIBL_ERR_MEMERR;
}
slist_init( &tokens );
str_init( &usename );
status = slist_tokenize( &tokens, invalue, " ", 1 );
if ( status!=SLIST_OK ) return BIBL_ERR_MEMERR;
for ( i=0; i<tokens.n; ++i ) {
s = slist_str( &tokens, i );
if ( !strcmp( str_cstr( s ), "[Editor]" ) ) {
usetag = editor;
str_empty( s );
} else if ( s->len && s->data[s->len-1]==',' ) {
comma++;
}
}
if ( comma==0 && tokens.n ) {
s = slist_str( &tokens, 0 );
str_addchar( s, ',' );
}
for ( i=0; i<tokens.n; ++i ) {
s = slist_str( &tokens, i );
if ( str_is_empty( s ) ) continue;
if ( i ) str_addchar( &usename, ' ' );
str_strcat( &usename, s );
}
slist_free( &tokens );
ok = name_add( bibout, usetag, str_cstr( &usename ), level, &(pm->asis), &(pm->corps) );
str_free( &usename );
if ( ok ) return BIBL_OK;
else return BIBL_ERR_MEMERR;
}
static void
copacin_report_notag( param *p, char *tag )
{
if ( p->verbose ) {
if ( p->progname ) fprintf( stderr, "%s: ", p->progname );
fprintf( stderr, "Cannot find tag '%s'\n", tag );
}
}
static int
copacin_convertf( fields *bibin, fields *bibout, int reftype, param *p )
{
static int (*convertfns[NUM_REFTYPES])(fields *, int, str *, str *, int, param *, char *, fields *) = {
[ 0 ... NUM_REFTYPES-1 ] = generic_null,
[ SIMPLE ] = generic_simple,
[ TITLE ] = generic_title,
[ NOTES ] = generic_notes,
[ SERIALNO ] = generic_serialno,
[ PERSON ] = copacin_person
};
int process, level, i, nfields, status = BIBL_OK;
str *intag, *invalue;
char *outtag;
nfields = fields_num( bibin );
for ( i=0; i<nfields; ++i ) {
intag = fields_tag( bibin, i, FIELDS_STRP );
if ( !translate_oldtag( intag->data, reftype, p->all, p->nall, &process, &level, &outtag ) ) {
copacin_report_notag( p, intag->data );
continue;
}
invalue = fields_value( bibin, i, FIELDS_STRP );
status = convertfns[ process ] ( bibin, i, intag, invalue, level, p, outtag, bibout );
if ( status!=BIBL_OK ) return status;
}
return status;
}