--- /dev/null
+/* copyright (c) 1996, 1997, 1998, 1999 William R. Pearson and the
+ U. of Virginia */
+
+/* $Name: fa_34_26_5 $ - $Id: lib_sel.c,v 1.16 2006/12/06 17:30:52 wrp Exp $ */
+
+/* modified Dec 13, 1989 requires different FASTLIBS */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <ctype.h>
+#include <string.h>
+
+#include "defs.h"
+#include "structs.h"
+
+#ifdef NCBIBL13
+#define LASTLIB NCBIBL13+1
+#else
+#define LASTLIB 11
+#endif
+
+
+int getlnames(char *tname, struct mngmsg *m_msg);
+void addfile(char *, char *, struct mngmsg *);
+void libchoice(char *lname, int nl, struct mngmsg *m_msg);
+void libselect(char *lname, struct mngmsg *m_msg);
+void subs_env(char *dest, char *src, int dest_size);
+char *ulindex(char *str, char *chr);
+
+static char ldname[MAX_FN];
+static char *libenv;
+
+int
+getlnames(char *iname, struct mngmsg *m_msg) /* read in the library names */
+{
+ char *bp, tsave[MAX_STR], *tname;
+ char lline[MAX_FN], *llp;
+ FILE *tptr;
+
+ /* expand environment variables */
+
+ tname = tsave;
+ subs_env(tname, iname, sizeof(tsave));
+
+ if (*tname != '@') {addfile(tname,"\0",m_msg); return 1;}
+ else tname++;
+
+ /* remove ' ' before deftype if present */
+ if ((bp=strchr(tname,' '))!=NULL) *bp='\0';
+
+ if ((tptr=fopen(tname,"r"))==NULL) {
+ fprintf(stderr," could not open file of names: %s\n",tname);
+ return 0;
+ }
+
+ while (fgets(lline,sizeof(lline),tptr)!=NULL) {
+ if (lline[0]==';') continue;
+ if ((bp=strchr(lline,'\n'))!=NULL) *bp='\0';
+ subs_env(tsave, lline, sizeof(tsave));
+ if (tsave[0]=='<') {
+ strncpy(ldname,&tsave[1],sizeof(ldname));
+ ldname[sizeof(ldname)-1]='\0';
+ libenv=ldname;
+ }
+ else addfile(tsave,libenv,m_msg);
+ }
+ fclose(tptr);
+ return 1;
+}
+
+/* libchoice displays a list of potential library files
+ in the new &lib& version, only traditional 1-letter files will be
+ shown initially
+*/
+
+void
+libchoice(char *lname, int nl, struct mngmsg *m_msg)
+{
+ FILE *fch;
+ char line[MAX_STR], *bp;
+ char *chstr[MAX_CH],*chfile[MAX_CH];
+ char *chtmp, *charr;
+ int i,j,k,chlen;
+
+ charr = NULL;
+ if (strlen(m_msg->flstr)> (size_t)0) {
+ chlen = MAX_CH*MAX_FN;
+ if ((chtmp=charr=calloc((size_t)chlen,sizeof(char)))==NULL) {
+ fprintf(stderr,"cannot allocate choice file array\n");
+ goto l1;
+ }
+ chlen--;
+ if ((fch=fopen(m_msg->flstr,"r"))==NULL) {
+ fprintf(stderr," cannot open choice file: %s\n",m_msg->flstr);
+ goto l1;
+ }
+ fprintf(stderr,"\n Choose sequence library:\n\n");
+
+ for (i=j=0; j<MAX_CH; i++) {
+ if (fgets(line,sizeof(line),fch)==NULL) break;/* check for comment */
+ if (line[0]==';') continue;
+ if ((bp=strchr(line,'\n'))!=NULL) *bp='\0'; /* remove \n */
+ if ((bp=strchr(line,'$'))==NULL) continue; /* if no '$', continue */
+ *bp++='\0'; /* replace $ with \0, bp points to libtype */
+
+ /* if libtypes don't match, continue */
+ if ((*bp++ -'0')!=m_msg->ldnaseq) continue;
+
+ /* if the library file name is too long, quit */
+ if ((k=strlen(line))>chlen) break;
+
+ /* save the library file name */
+ strncpy(chstr[j]=chtmp,line,chlen);
+ chtmp += k+1; chlen -= k+1;
+
+ if ((k=strlen(bp))>chlen) break;
+ strncpy(chfile[j]=chtmp,bp,chlen);
+ chtmp += k+1; chlen -= k+1;
+ fprintf(stderr," %c: %s\n",*chfile[j++],line);
+ }
+ l2: fprintf(stderr,"\n Enter library filename (e.g. %s), letter (e.g. P)\n",
+ (m_msg->ldnaseq==0)? "prot.lib" : "dna.lib");
+ fprintf(stderr," or a %% followed by a list of letters (e.g. %%PN): ");
+ fflush(stderr);
+ if (fgets(line,sizeof(line),stdin)==NULL) exit(0);
+ if ((bp=strchr(line,'\n'))!=NULL) *bp='\0';
+ if (strlen(line)==0) goto l2;
+ strncpy(lname,line,nl);
+ }
+ else {
+ l1: fprintf(stderr," library file name: ");
+ fflush(stderr);
+ if (fgets(line,sizeof(line),stdin)==NULL) exit(0);
+ if ((bp=strchr(line,'\n'))!=NULL) *bp='\0';
+ if (strlen(line)> (size_t)0) strncpy(lname,line,nl);
+ else goto l1;
+ }
+ if (charr!=NULL) {
+ fclose(fch);
+ free(charr);
+ }
+}
+
+/* libselect parses the choices in char *lname and builds the list
+ of library files
+*/
+void
+libselect(char *lname, struct mngmsg *m_msg)
+{
+ char line[MAX_FN*2], *bp, *bp1;
+ char *llnames[MAX_LF]; /* pointers into new list of names */
+ int new_abbr,ich, nch; /* use new multi-letter abbr */
+ FILE *fch;
+
+ new_abbr = 0;
+ m_msg->nln = 0;
+ if (strlen(lname) > (size_t)1 && *lname != '%' && *lname != '+') {
+ getlnames(lname,m_msg); /* file name */
+ return;
+ }
+ else {
+ if (*m_msg->flstr=='\0') {
+ fprintf(stderr," abbrv. list request but FASTLIBS undefined, cannot use %s\n",lname);
+ exit(1);
+ }
+
+ if (strchr(lname,'+')) {
+ /* indicates list of database abbrevs (not files) */
+ new_abbr=1;
+ nch = 0;
+ bp = lname+1; if (*bp == '+') bp++;
+ for (bp1=bp; bp!=NULL && bp1!=NULL; bp=bp1+1) {
+ if ((bp1=strchr(bp,'+'))!=NULL) *bp1='\0';
+ llnames[nch++] = bp;
+ }
+ }
+ else if (*lname=='%') { /* list of single letter abbreviations */
+ lname++; /* bump over '%' to get letters */
+ }
+
+ /* else just use a single character abbreviation */
+
+ if (strlen(m_msg->flstr) > (size_t)0) {
+ if ((fch=fopen(m_msg->flstr,"r"))==NULL) {
+ fprintf(stderr," cannot open choice file: %s\n",m_msg->flstr);
+ return;
+ }
+ }
+ else {
+ fprintf(stderr," FASTLIBS undefined\n");
+ addfile(lname,"\0",m_msg);
+ return;
+ }
+
+ /* read each line of FASTLIBS */
+ while (fgets(line,sizeof(line),fch)!=NULL) {
+ if (line[0]==';') continue; /* skip comments */
+ if ((bp=strchr(line,'\n'))!=NULL) *bp='\0'; /* remove '\n' */
+ if ((bp=strchr(line,'$'))==NULL) continue; /* no delim, continue */
+ *bp++='\0'; /* point to library type */
+ if ((*bp++ -'0')!=m_msg->ldnaseq) continue; /* doesn't match, continue */
+
+ /* if !new_abbr, match on one letter with ulindex() */
+ if (!new_abbr) {
+ if (*bp=='+') continue; /* not a &lib& */
+ else if (ulindex(lname,bp)!=NULL) {
+ strncpy(m_msg->ltitle,line,MAX_FN);
+ getlnames(bp+1,m_msg);
+ }
+ }
+ else {
+ if (*bp!='+') continue;
+ else {
+ bp++;
+ if ((bp1 = strchr(bp,'+'))!=NULL) {
+ *bp1='\0';
+ for (ich = 0; ich<nch; ich++) {
+ if (strcmp(llnames[ich],bp)==0) {
+ strncpy(m_msg->ltitle,line,MAX_FN);
+ getlnames(bp1+1,m_msg);
+ break;
+ }
+ }
+ *bp1='+';
+ }
+ else fprintf(stderr,"%s missing final '+'\n",bp);
+ }
+ }
+ }
+ fclose(fch);
+ }
+}
+
+void
+addfile(char *fname, char *env, struct mngmsg *m_msg)
+{
+ char tname[MAX_STR], *bp, *bp1;
+ char *lbptr;
+ int len, lenv, l_size;
+
+ /* check for default directory for files */
+ if (env != NULL && *env != '\0') lenv = strlen(env)+1;
+ else lenv = 0;
+
+ len=strlen(fname)+1+lenv;
+
+ if (lenv > 1 && *fname != '#') { /* add default directory to file name */
+ strncpy(tname,env,sizeof(tname)-1);
+#ifdef UNIX
+ strcat(tname,"/");
+#endif
+ }
+ else tname[0]='\0';
+
+ /* add fname to tname, allocate space, and move to space */
+ strncat(tname,fname,sizeof(tname)-strlen(tname)-1);
+ len=strlen(tname)+1;
+ if ((lbptr=calloc(len,sizeof(char)))==NULL) {
+ fprintf(stderr,"no more space for filenames: %s ignored\n",fname);
+ return;
+ }
+ else {
+ strncpy(lbptr,tname,len);
+ lbptr[len-1]='\0';
+ }
+
+ if (m_msg->nln< MAX_LF) {
+ m_msg->lbnames[m_msg->nln++]=lbptr;
+ }
+ else fprintf(stderr," no more file name slots: %s ignored\n",lbptr);
+}
+
+char *
+ulindex(char *str, char *chr)
+{
+ char c;
+
+ c = tolower((int)(*chr));
+
+ while (*str != '\0' && tolower(*str) !=c ) str++;
+ if (*str=='\0') return NULL;
+ else return str;
+}
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