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#include "session.h"
#if defined(USE_BOOST_PYTHON)
#include "py_eval.h"
#endif
namespace ledger {
unsigned int session_t::read_journal(std::istream& in,
journal_t * journal,
account_t * master,
const string * original_file)
{
if (! master)
master = journal->master;
for (std::list<parser_t *>::iterator i = parsers.begin();
i != parsers.end();
i++)
if ((*i)->test(in))
return (*i)->parse(in, journal, master, original_file);
return 0;
}
unsigned int session_t::read_journal(const string& path,
journal_t * journal,
account_t * master,
const string * original_file)
{
journal->sources.push_back(path);
if (access(path.c_str(), R_OK) == -1)
throw_(exception, "Cannot read file '" << path << "'");
if (! original_file)
original_file = &path;
std::ifstream stream(path.c_str());
return read_journal(stream, journal, master, original_file);
}
void session_t::read_init()
{
if (init_file.empty())
return;
if (access(init_file.c_str(), R_OK) == -1)
throw_(exception, "Cannot read init file '" << init_file << "'");
std::ifstream init(init_file.c_str());
// jww (2006-09-15): Read initialization options here!
}
journal_t * session_t::read_data(const string& master_account)
{
TRACE_START(parser, 1, "Parsing journal file");
journal_t * journal = new_journal();
journal->document = new xml::document_t;
journal->document->set_top(xml::wrap_node(journal->document, journal));
unsigned int entry_count = 0;
DEBUG_("ledger.cache",
"3. use_cache = " << use_cache);
if (use_cache && ! cache_file.empty() &&
! data_file.empty()) {
DEBUG_("ledger.cache",
"using_cache " << cache_file);
cache_dirty = true;
if (access(cache_file.c_str(), R_OK) != -1) {
std::ifstream stream(cache_file.c_str());
string price_db_orig = journal->price_db;
journal->price_db = price_db;
entry_count += read_journal(stream, journal, NULL,
&data_file);
if (entry_count > 0)
cache_dirty = false;
else
journal->price_db = price_db_orig;
}
}
if (entry_count == 0 && ! data_file.empty()) {
account_t * acct = NULL;
if (! master_account.empty())
acct = journal->find_account(master_account);
journal->price_db = price_db;
if (! journal->price_db.empty() &&
access(journal->price_db.c_str(), R_OK) != -1) {
if (read_journal(journal->price_db, journal)) {
throw_(exception, "Entries not allowed in price history file");
} else {
DEBUG_("ledger.cache",
"read price database " << journal->price_db);
journal->sources.pop_back();
}
}
DEBUG_("ledger.cache",
"rejected cache, parsing " << data_file);
if (data_file == "-") {
use_cache = false;
journal->sources.push_back("<stdin>");
entry_count += read_journal(std::cin, journal, acct);
}
else if (access(data_file.c_str(), R_OK) != -1) {
entry_count += read_journal(data_file, journal, acct);
if (! journal->price_db.empty())
journal->sources.push_back(journal->price_db);
}
}
VERIFY(journal->valid());
if (entry_count == 0)
throw_(exception, "Failed to locate any journal entries; "
"did you specify a valid file with -f?");
TRACE_STOP(parser, 1);
return journal;
}
bool session_t::resolve(const string& name, value_t& result,
xml::xpath_t::scope_t * locals)
{
const char * p = name.c_str();
switch (*p) {
case 'd':
if (name == "date_format") {
// jww (2007-04-18): What to do here?
#if 0
result.set_string(moment_t::output_format);
#endif
return true;
}
break;
case 'n':
switch (*++p) {
case 'o':
if (name == "now") {
result = now;
return true;
}
break;
}
break;
case 'r':
if (name == "register_format") {
result = register_format;
return true;
}
break;
}
return xml::xpath_t::scope_t::resolve(name, result, locals);
}
xml::xpath_t::op_t * session_t::lookup(const string& name)
{
const char * p = name.c_str();
switch (*p) {
case 'o':
if (std::strncmp(p, "option_", 7) == 0) {
p = p + 7;
switch (*p) {
case 'f':
if (! *(p + 1) || std::strcmp(p, "file") == 0)
return MAKE_FUNCTOR(session_t, option_file);
break;
case 'v':
if (std::strcmp(p, "verbose") == 0)
return MAKE_FUNCTOR(session_t, option_verbose);
break;
}
}
break;
}
return xml::xpath_t::scope_t::lookup(name);
}
// jww (2007-04-26): All of Ledger should be accessed through a
// session_t object
void initialize()
{
amount_t::initialize();
}
void shutdown()
{
#if defined(USE_BOOST_PYTHON)
shutdown_for_python();
#endif
amount_t::shutdown();
}
} // namespace ledger
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