Preliminary row handling

src/include/mdbtools.h

@@ -79,6 +79,7 @@ typedef struct {
 } MdbCatalogEntry;
 
 typedef struct {
+	MdbCatalogEntry *entry;
 	char	name[MDB_MAX_OBJ_NAME+1];
 	int	num_cols;
 	int	num_rows;
@@ -104,11 +105,20 @@ extern void mdb_free_handle(MdbHandle *mdb);
 extern void mdb_free_catalog(MdbHandle *mdb);
 extern MdbTableDef *mdb_alloc_tabledef(MdbCatalogEntry *entry);
 
+/* file.c */
 extern size_t mdb_read_pg(MdbHandle *mdb, unsigned long pg);
 extern int    mdb_get_int16(MdbHandle *mdb, int offset);
 extern long   mdb_get_int32(MdbHandle *mdb, int offset);
 extern MdbHandle *mdb_open(char *filename);
+
+/* catalog.c */
 extern void   mdb_catalog_dump(MdbHandle *mdb, int obj_type);
 extern int mdb_catalog_rows(MdbHandle *mdb);
 extern MdbCatalogEntry *mdb_get_catalog_entry(MdbHandle *mdb, int rowid, MdbCatalogEntry *entry);
+
+/* table.c */
+extern MdbTableDef *mdb_read_table(MdbCatalogEntry *entry);
+
+/* data.c */
+extern void mdb_data_dump(MdbTableDef *table);
 #endif /* _mdbtools_h_ */

src/libmdb/Makefile

@@ -2,7 +2,7 @@
 CC = gcc
 
 INC = -I ../include `glib-config --cflags`
-OBJS = catalog.o mem.o file.o kkd.o table.o
+OBJS = catalog.o mem.o file.o kkd.o table.o data.o
 
 all: libmdb
 

src/libmdb/data.c

@@ -0,0 +1,44 @@
+/* MDB Tools - A library for reading MS Access database file
+ * Copyright (C) 2000 Brian Bruns
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "mdbtools.h"
+
+
+void mdb_data_dump(MdbTableDef *table)
+{
+MdbColumn col;
+MdbHandle *mdb = table->entry->mdb;
+int i, pg_num;
+int rows;
+int row_start, row_end;
+
+	for (pg_num=1;pg_num<=table->num_pgs;pg_num++) {
+		mdb_read_pg(mdb,table->first_data_pg + pg_num);
+		rows = mdb_get_int16(mdb,8);
+		fprintf(stdout,"Rows on page %d: %d\n", pg_num, rows);
+		row_end=2047;
+		for (i=0;i<rows;i++) {
+			row_start = mdb_get_int16(mdb,10+i*2);
+			fprintf(stdout,"Row %d bytes %d to %d\n", i, row_start, row_end);
+			
+			fprintf(stdout,"#cols: %-3d #varcols %-3d\n", mdb->pg_buf[row_start], mdb->pg_buf[row_end-1]);
+			row_end = row_start-1;
+		}
+	}
+}

src/libmdb/mem.c

@@ -48,6 +48,7 @@ MdbTableDef *table;
 
 	table = (MdbTableDef *) malloc(sizeof(MdbTableDef));
 	memset(table, '\0', sizeof(MdbTableDef));
+	table->entry=entry;
 	strcpy(table->name, entry->object_name);
 
 	return table;	

src/libmdb/table.c

@@ -77,8 +77,9 @@ int len, i;
 	return table;
 }
 
-GArray *mdb_read_columns(MdbHandle *mdb, MdbTableDef *table)
+GArray *mdb_read_columns(MdbTableDef *table)
 {
+MdbHandle *mdb = table->entry->mdb;
 MdbColumn col;
 GArray *columns;
 int len, i;
@@ -127,13 +128,13 @@ int i;
 	fprintf(stdout,"number of datapages = %d\n",table->num_pgs);
 	fprintf(stdout,"first data page     = %d\n",table->first_data_pg);
 
-	mdb_read_columns(mdb, table);
+	mdb_read_columns(table);
 	for (i=0;i<table->num_cols;i++) {
 		col = g_array_index(table->columns,MdbColumn,i);
 	
-		fprintf(stdout,"column %2d %s\n",i,col.name);
-		fprintf(stdout,"column type %s\n",
-			mdb_get_coltype_string(col.col_type));
-		fprintf(stdout,"column size %d\n",col.col_size);
+		fprintf(stdout,"column %d Name: %-20s Type: %s(%d)\n",
+			i, col.name,
+			mdb_get_coltype_string(col.col_type),
+			col.col_size);
 	}
 }

src/util/Makefile

@@ -3,10 +3,11 @@ CC = gcc
 
 INC = -I ../include `glib-config --cflags`
 LIBS = -L ../libmdb -lmdb `glib-config --libs`
-PROGS = prcat prkkd prtable
+PROGS = prcat prkkd prtable prdata
 PRCATOBJS = prcat.o
 PRKKDOBJS = prkkd.o
 PRTABLEOBJS = prtable.o
+PRDATAOBJS = prdata.o
 
 all: $(PROGS)
 
@@ -19,6 +20,9 @@ prkkd: $(PRKKDOBJS)
 prtable: $(PRTABLEOBJS)
 	$(CC) -g -o $@ $(PRTABLEOBJS) $(LIBS)
 		
+prdata: $(PRDATAOBJS)
+	$(CC) -g -o $@ $(PRDATAOBJS) $(LIBS)
+		
 clean: 
 	rm -f core *.o $(PROGS)
 

src/util/prdata.c

@@ -0,0 +1,54 @@
+/* MDB Tools - A library for reading MS Access database file
+ * Copyright (C) 2000 Brian Bruns
+ *
+ *
+ * This library is free software; you can redistribute it and/or 
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "mdbtools.h"
+
+main(int argc, char **argv)
+{
+int rows;
+int i;
+unsigned char buf[2048];
+MdbHandle *mdb;
+MdbCatalogEntry entry;
+MdbTableDef *table;
+GList *l;
+
+
+	if (argc<2) {
+		fprintf(stderr,"Usage: prtable <file> <table>\n");
+		exit(1);
+	}
+	
+	mdb = mdb_open(argv[1]);
+
+	mdb_read_catalog(mdb, MDB_TABLE);
+
+	for (i=0;i<mdb->num_catalog;i++) {
+		entry = g_array_index(mdb->catalog,MdbCatalogEntry,i);
+		if (!strcmp(entry.object_name,argv[2])) {
+				table = mdb_read_table(&entry);
+				mdb_read_columns(table);
+				mdb_data_dump(table);
+		}
+	}
+
+	mdb_free_handle(mdb);
+}
+