Functions for creating and parsing tab-delimited data files (very similar to

.csv file API).

src/xpdev/tab_file.c

+/* tab_file.c */
+
+/* Functions to deal with tab-delimited files and lists */
+
+/* $Id$ */
+
+/****************************************************************************
+ * @format.tab-size 4		(Plain Text/Source Code File Header)			*
+ * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
+ *																			*
+ * Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html		*
+ *																			*
+ * This library is free software; you can redistribute it and/or			*
+ * modify it under the terms of the GNU Lesser General Public License		*
+ * as published by the Free Software Foundation; either version 2			*
+ * of the License, or (at your option) any later version.					*
+ * See the GNU Lesser General Public License for more details: lgpl.txt or	*
+ * http://www.fsf.org/copyleft/lesser.html									*
+ *																			*
+ * Anonymous FTP access to the most recent released source is available at	*
+ * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
+ *																			*
+ * Anonymous CVS access to the development source and modification history	*
+ * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
+ * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
+ *     (just hit return, no password is necessary)							*
+ * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
+ *																			*
+ * For Synchronet coding style and modification guidelines, see				*
+ * http://www.synchro.net/source.html										*
+ *																			*
+ * You are encouraged to submit any modifications (preferably in Unix diff	*
+ * format) via e-mail to mods@synchro.net									*
+ *																			*
+ * Note: If this box doesn't appear square, then you need to fix your tabs.	*
+ ****************************************************************************/
+
+#include "tab_file.h"
+#include <stdlib.h>		/* malloc */
+
+char* tabLine(str_list_t columns)
+{
+	char*	str=NULL;
+	char*	p;
+	size_t	i,len;
+
+	if(columns==NULL)
+		return(NULL);
+
+	for(i=0;columns[i]!=NULL;i++) {
+		len=strlen(columns[i])*2;
+		if(str)
+			len+=strlen(str);
+		if((p=realloc(str,len))==NULL)
+			break;
+		str=p;
+		if(i) strcat(str,"\t");
+		else  *str=0;
+		strcat(str,columns[i]);
+	}
+
+	return(str);
+}
+
+str_list_t tabCreateList(str_list_t records[], str_list_t columns)
+{
+	char*		p;
+	str_list_t	list;
+	size_t		i;
+	size_t		li=0;
+
+	if((list=strListInit())==NULL)
+		return(NULL);
+
+	if(columns!=NULL) {
+		p=tabLine(columns);
+		strListAppend(&list,p,li++);
+		free(p);
+	}
+		
+	if(records!=NULL)
+		for(i=0;records[i]!=NULL;i++) {
+			p=tabLine(records[i]);
+			strListAppend(&list,p,li++);
+			free(p);
+		}
+
+	return(list);
+}
+
+str_list_t tabParseLine(char* line)
+{
+	char*		p;
+	char*		buf;
+	size_t		count=0;
+	str_list_t	list;
+
+	if((list=strListInit())==NULL)
+		return(NULL);
+
+	if((buf=strdup(line))==NULL) {
+		strListFree(&list);
+		return(NULL);
+	}
+
+	for(p=strtok(buf,"\t");p;p=strtok(NULL,"\t"))
+		strListAppend(&list,p,count++);
+
+	free(buf);
+
+	return(list);
+}
+
+str_list_t* tabParseList(str_list_t records, str_list_t* columns)
+{
+	size_t		i=0;
+	str_list_t* list;
+
+	if(records==NULL)
+		return(NULL);
+
+	if((list=(str_list_t*)malloc(sizeof(str_list_t*)*(strListCount(records)+1)))==NULL)
+		return(NULL);
+
+	if(columns!=NULL) {
+		if((*columns=tabParseLine(records[i++]))==NULL)
+			return(NULL);
+	}
+
+	while(records[i]!=NULL) {
+		list[i]=tabParseLine(records[i]);
+		i++;
+	}
+
+	list[i]=NULL; /* terminate */
+
+	return(list);
+}
+
+#include "truncsp.c"
+
+str_list_t*	tabReadFile(FILE* fp, str_list_t* columns)
+{
+	str_list_t*	records;
+	str_list_t	lines;
+	size_t		i;
+
+	if((lines=strListReadFile(fp, NULL, 0))==NULL)
+		return(NULL);
+
+	/* truncate new-line chars off end of strings */
+	for(i=0; lines[i]!=NULL; i++)
+		truncnl(lines[i]);
+
+	records=tabParseList(lines,columns);
+
+	strListFree(&lines);
+
+	return(records);
+}
+

src/xpdev/tab_file.h

+/* tab_file.h */
+
+/* Functions to deal with tab-delimited files and lists */
+
+/* $Id$ */
+
+/****************************************************************************
+ * @format.tab-size 4		(Plain Text/Source Code File Header)			*
+ * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
+ *																			*
+ * Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html		*
+ *																			*
+ * This library is free software; you can redistribute it and/or			*
+ * modify it under the terms of the GNU Lesser General Public License		*
+ * as published by the Free Software Foundation; either version 2			*
+ * of the License, or (at your option) any later version.					*
+ * See the GNU Lesser General Public License for more details: lgpl.txt or	*
+ * http://www.fsf.org/copyleft/lesser.html									*
+ *																			*
+ * Anonymous FTP access to the most recent released source is available at	*
+ * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
+ *																			*
+ * Anonymous CVS access to the development source and modification history	*
+ * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
+ * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
+ *     (just hit return, no password is necessary)							*
+ * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
+ *																			*
+ * For Synchronet coding style and modification guidelines, see				*
+ * http://www.synchro.net/source.html										*
+ *																			*
+ * You are encouraged to submit any modifications (preferably in Unix diff	*
+ * format) via e-mail to mods@synchro.net									*
+ *																			*
+ * Note: If this box doesn't appear square, then you need to fix your tabs.	*
+ ****************************************************************************/
+
+#ifndef _TAB_FILE_H
+#define _TAB_FILE_H
+
+#include "str_list.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+str_list_t	tabCreateList(str_list_t records[], str_list_t columns /* optional */);
+str_list_t	tabParseLine(char* line);
+str_list_t*	tabParseList(str_list_t list, str_list_t* columns /* optional */);
+str_list_t*	tabReadFile(FILE* fp, str_list_t* columns /* optional */);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif	/* Don't add anything after this line */