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Updated binary cache version, for good measure.

Browse source 
(read_binary_journal): Read in the price_db, in order to throw away
the cache if it has changed.  (write_binary_journal): Removed unused
"files" parameter.  Changed logic for writing out files list.  Also,
write out the prices database that was used.
(py_write_binary_journal): Removed "files" argument.
This commit is contained in:
John Wiegley 2005-02-01 02:36:51 +00:00
parent df44635260
commit d1d63be306
1 changed files with 17 additions and 8 deletions
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25
binary.cc
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@ -11,7 +11,7 @@
namespace ledger {
static unsigned long binary_magic_number = 0xFFEED765;
static unsigned long format_version = 0x00020029;
static unsigned long format_version = 0x00020031;
static account_t ** accounts;
static account_t ** accounts_next;
@ -359,6 +359,12 @@ unsigned int read_binary_journal(std::istream& in,
journal->sources.push_back(path);
}
// Make sure that the cache uses the same price database,
// otherwise it means that LEDGER_PRICE_DB has been changed, and
// we should ignore this cache file.
if (read_binary_string(in) != journal->price_db)
return 0;
}
// Read all of the data in at once, so that we're just dealing with
@ -634,8 +640,7 @@ void write_binary_account(std::ostream& out, account_t * account)
write_binary_account(out, (*i).second);
}
void write_binary_journal(std::ostream& out, journal_t * journal,
strings_list * files)
void write_binary_journal(std::ostream& out, journal_t * journal)
{
account_index =
commodity_index = 0;
@ -646,18 +651,22 @@ void write_binary_journal(std::ostream& out, journal_t * journal,
// Write out the files that participated in this journal, so that
// they can be checked for changes on reading.
if (! files) {
if (journal->sources.size() == 0) {
write_binary_number<unsigned short>(out, 0);
} else {
write_binary_number<unsigned short>(out, files->size());
for (strings_list::const_iterator i = files->begin();
i != files->end();
write_binary_number<unsigned short>(out, journal->sources.size());
for (strings_list::const_iterator i = journal->sources.begin();
i != journal->sources.end();
i++) {
write_binary_string(out, *i);
struct stat info;
stat((*i).c_str(), &info);
write_binary_number(out, std::time_t(info.st_mtime));
}
// Write out the price database that relates to this data file, so
// that if it ever changes the cache can be invalidated.
write_binary_string(out, journal->price_db);
}
std::ostream::pos_type data_val = out.tellp();
@ -757,7 +766,7 @@ BOOST_PYTHON_MEMBER_FUNCTION_OVERLOADS(binary_parse_overloads,
void py_write_binary_journal(const std::string& path, journal_t * journal)
{
std::ofstream out(path.c_str());
write_binary_journal(out, journal, &journal->sources);
write_binary_journal(out, journal);
}
void export_binary() {