diff options
-rw-r--r-- | src/export/extract_version_1.c | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/src/export/extract_version_1.c b/src/export/extract_version_1.c index 8daec76..0d45a7d 100644 --- a/src/export/extract_version_1.c +++ b/src/export/extract_version_1.c | |||
@@ -29,52 +29,53 @@ again: | |||
29 | } | 29 | } |
30 | int fromhex( uint8_t a ) { if(a >='0'&&a<='9')return a-'0';if(a>='a'&&a<='f') return 10+a-'a'; if(a>='A'&&a<='F') return 10+a-'A'; exit(1); } | 30 | int fromhex( uint8_t a ) { if(a >='0'&&a<='9')return a-'0';if(a>='a'&&a<='f') return 10+a-'a'; if(a>='A'&&a<='F') return 10+a-'A'; exit(1); } |
31 | 31 | ||
32 | void act_on_record( int flag, uint8_t *page, uint16_t record_off ) | 32 | void act_on_record( uint8_t *file, int flag, uint8_t *page, uint16_t record_off ) |
33 | { | 33 | { |
34 | uint8_t * record = page + record_off; | 34 | uint8_t outbuf[8192], *out_dest = outbuf, *record; |
35 | uint8_t outbuf[8192], * out_dest = outbuf; | 35 | int num_entries; |
36 | int num_entries = *(uint16_t*)record; | ||
37 | 36 | ||
38 | /* printf( " Found record with %d entries at %04x.\n", num_entries, record_off ); */ | ||
39 | if( record_off > 0x1fff ) | 37 | if( record_off > 0x1fff ) |
40 | return; /* Ignore deleted entries */ | 38 | { |
41 | 39 | /* Here comes the reference to a blob page */ | |
42 | if( !flag ) | 40 | int page_nr = *(uint16_t*)(page + ( record_off ^ 0xffff ) + 1); |
43 | { /* Flags says whether page has a prefix row */ | 41 | page = file + 0x800 + 0x2000 * page_nr; |
44 | record += 2; | 42 | num_entries = *(uint16_t*)page; |
45 | if( *(uint16_t*)record ) | 43 | record = page + 0x6; |
46 | { | 44 | } |
47 | decode_7bit_string( page + *(uint16_t*)record, outbuf ); | 45 | else |
48 | out_dest += strlen( (char*)outbuf ); | 46 | { |
47 | record = page + record_off; | ||
48 | num_entries = *(uint16_t*)record; | ||
49 | if( !flag ) | ||
50 | { /* Flags says whether page has a prefix row */ | ||
51 | record += 2; | ||
52 | if( *(uint16_t*)record ) | ||
53 | { | ||
54 | decode_7bit_string( page + *(uint16_t*)record, outbuf ); | ||
55 | out_dest += strlen( (char*)outbuf ); | ||
56 | } | ||
49 | } | 57 | } |
58 | record += 2; | ||
50 | } | 59 | } |
51 | 60 | ||
52 | decode_7bit_string( record + 2, out_dest ); | 61 | decode_7bit_string( record, out_dest ); |
53 | /* XXX TODO: Split record in 12 chunks each, mark continuation, if num_entries > 1 */ | 62 | /* XXX TODO: Split record in 12 chunks each, mark continuation, if num_entries > 1 */ |
54 | puts( (char*)outbuf ); | 63 | puts( (char*)outbuf ); |
55 | } | 64 | } |
56 | 65 | ||
57 | /* Page is always 0x2000 */ | 66 | /* Page is always 0x2000 */ |
58 | void act_on_page( uint8_t *page, int page_nr ) | 67 | void act_on_page( uint8_t *file, uint8_t *page, int page_nr ) |
59 | { | 68 | { |
60 | int record, flag = page[0]; | 69 | int record, flag = page[0]; |
61 | int blob_len = *(uint16_t*)(page + 0x2); | 70 | int blob_len = *(uint16_t*)(page + 0x2); |
62 | int num_records = *(uint16_t*)(page + 0x4); | 71 | int num_records = *(uint16_t*)(page + 0x4); |
63 | uint16_t * recs = (uint16_t*)(page + 0xe); | 72 | uint16_t * recs = (uint16_t*)(page + 0xe); |
64 | 73 | ||
65 | printf( " Acting on page %04d with flag %d and %04d records.\n", page_nr, flag, num_records ); | 74 | /* printf( " Acting on page %04d with flag %d and %04d records.\n", page_nr, flag, num_records ); */ |
66 | |||
67 | if( blob_len ) | ||
68 | { | ||
69 | uint8_t outbuf[8192]; | ||
70 | /* printf( "-------- PAGE IS BLOB --------" ); */ | ||
71 | 75 | ||
72 | decode_7bit_string( page + 0x6, outbuf ); | 76 | if( !blob_len ) /* Handle blob, pages when they're referenced */ |
73 | /* XXX TODO: Split record in 12 chunks each, mark continuation */ | ||
74 | puts( (char *)outbuf ); | ||
75 | } else | ||
76 | for( record = 0; record < num_records; ++record ) | 77 | for( record = 0; record < num_records; ++record ) |
77 | act_on_record( flag, page + 0xe, recs[record] ); | 78 | act_on_record( file, flag, page + 0xe, recs[record] ); |
78 | } | 79 | } |
79 | 80 | ||
80 | void act_on_file( uint8_t *file, size_t len ) | 81 | void act_on_file( uint8_t *file, size_t len ) |
@@ -89,7 +90,7 @@ void act_on_file( uint8_t *file, size_t len ) | |||
89 | /* printf( "Working on a %04d page and %06d records file, city: %4s %-32s with prefix %s\n", num_pages, num_records, zip, ort, vorwahl ); */ | 90 | /* printf( "Working on a %04d page and %06d records file, city: %4s %-32s with prefix %s\n", num_pages, num_records, zip, ort, vorwahl ); */ |
90 | 91 | ||
91 | for( page = 0; page < num_pages; ++page ) | 92 | for( page = 0; page < num_pages; ++page ) |
92 | act_on_page( file + 0x800 + 0x2000 * page, page ); | 93 | act_on_page( file, file + 0x800 + 0x2000 * page, page ); |
93 | } | 94 | } |
94 | 95 | ||
95 | int main( int args, char **argv ) | 96 | int main( int args, char **argv ) |