From 1ed87df0b05ea96092286dfe7ed05d5f2304c3dc Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Sun, 23 Feb 2014 05:43:36 +0100
Subject: Export entries into their files

---
 src/export/extract_version_1.c | 62 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 57 insertions(+), 5 deletions(-)

diff --git a/src/export/extract_version_1.c b/src/export/extract_version_1.c
index a739116..d81abd3 100644
--- a/src/export/extract_version_1.c
+++ b/src/export/extract_version_1.c
@@ -2,6 +2,9 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+
 #include "mystdlib.h"
 
 static char xlat_table[] = {
@@ -32,6 +35,13 @@ static char cp437_to_iso8859_1_table[] = {
   0x2e, 0xb1, 0x2e, 0x2e, 0x2e, 0x2e, 0xf7, 0x2e, 0xb0, 0x2e, 0xb7, 0x2e, 0x2e, 0xb2, 0x2e, 0xa0
 };
 
+static struct {
+  int    outfiles[13];
+  char * vorwahl;
+  char * ort;
+  char * zip;
+} g_state;
+
 void decode_7bit_string( uint8_t const *source, uint8_t *dest )
 {
   uint16_t acc = 0, acc_bits = 0;
@@ -45,6 +55,29 @@ again:
   }
 }
 
+void split_to_files( uint8_t *entries, int num_entries )
+{
+  int entry = 0, column;
+  char *e = (char*)entries;
+
+  for( entry = 0; entry < num_entries; ++entry )
+  {
+    /* mimic flags from telefonbuch v3 */
+    write( g_state.outfiles[0], entry ? "02\n" : ( num_entries > 1 ? "01\n" : "00\n" ), 3 );
+
+    for( column = 0; column < 11; ++column )
+    {
+      char * end = strchr( e, '\t' );
+      if( end ) {
+        *end = '\n';
+        write( g_state.outfiles[column+1], e, end - e + 1);
+        e = end + 1;
+      } else
+        dprintf( g_state.outfiles[column+1], "%s\n", e);
+    }
+  }
+}
+
 void act_on_record( uint8_t *file, int flag, uint8_t *page, uint16_t record_off )
 {
   uint8_t outbuf[8192], *out_dest = outbuf, *record;
@@ -75,8 +108,7 @@ void act_on_record( uint8_t *file, int flag, uint8_t *page, uint16_t record_off
   }
 
   decode_7bit_string( record, out_dest );
-  /* XXX TODO: Split record in 12 chunks each, mark continuation, if num_entries > 1 */
-  puts( (char*)outbuf );
+  split_to_files( outbuf, num_entries );
 }
 
 /* Page is always 0x2000 */
@@ -107,16 +139,36 @@ void act_on_file( uint8_t *file, size_t len )
   for(i=0; ort[i]; ++i ) ort_conv[i] = cp437_to_iso8859_1_table[((uint8_t*)ort)[i]]; ort_conv[i] = 0;
   /* printf( "Working on a %04d page and %06d records file, city: %4s %-32s with prefix %s\n", num_pages, num_records, zip, ort_conv, vorwahl ); */
 
+  g_state.ort     = ort_conv;
+  g_state.zip     = zip;
+  g_state.vorwahl = vorwahl;
+
   for( page = 0; page < num_pages; ++page )
     act_on_page( file, file + 0x800 + 0x2000 * page, page );
 }
 
 int main( int args, char **argv )
 {
-  MAP f = map_file( argv[1], 1 );
+  char filename[1024];
+  MAP f;
+  int i;
+
+  for( i=0; i<12; ++i )
+  {
+    sprintf( filename, "%02d_unknown", i+1 );
+    g_state.outfiles[i] = open( filename, O_WRONLY | O_APPEND | O_CREAT, 0644 );
+  }
+
+  while( fgets( filename, sizeof(filename), stdin ) ) {
+    filename[strlen(filename)-1] = 0; /* fgets sucks */
+    f = map_file( filename, 1 );
+
+    act_on_file( f->addr, f->size );
+    unmap_file( &f );
+  }
 
-  act_on_file( f->addr, f->size );
+  for( i=0; i<13; ++i )
+    close(  g_state.outfiles[i] );
 
-  unmap_file( &f );
   return 0;
 }
-- 
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