248 lines
6.5 KiB
C++
248 lines
6.5 KiB
C++
/*
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* Copyright (c) 2003-2009, John Wiegley. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of New Artisans LLC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <system.hh>
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#include "session.h"
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#include "xact.h"
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#include "account.h"
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#include "journal.h"
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#include "iterators.h"
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#include "filters.h"
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#include "archive.h"
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namespace ledger {
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void set_session_context(session_t * session)
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{
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if (session) {
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times_initialize();
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amount_t::initialize(session->journal->commodity_pool);
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amount_t::parse_conversion("1.0m", "60s");
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amount_t::parse_conversion("1.0h", "60m");
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value_t::initialize();
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}
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else if (! session) {
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value_t::shutdown();
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amount_t::shutdown();
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times_shutdown();
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}
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}
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session_t::session_t()
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: flush_on_next_data_file(false),
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current_year(CURRENT_DATE().year()),
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journal(new journal_t)
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{
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TRACE_CTOR(session_t, "");
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if (const char * home_var = std::getenv("HOME"))
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HANDLER(price_db_).on(none, (path(home_var) / ".pricedb").string());
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else
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HANDLER(price_db_).on(none, path("./.pricedb").string());
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}
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std::size_t session_t::read_data(const string& master_account)
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{
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bool populated_data_files = false;
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if (HANDLER(file_).data_files.empty()) {
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path file;
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if (const char * home_var = std::getenv("HOME"))
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file = path(home_var) / ".ledger";
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if (! file.empty() && exists(file))
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HANDLER(file_).data_files.push_back(file);
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else
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throw_(parse_error, "No journal file was specified (please use -f)");
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populated_data_files = true;
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}
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std::size_t xact_count = 0;
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account_t * acct = journal->master;
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if (! master_account.empty())
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acct = journal->find_account(master_account);
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optional<path> price_db_path;
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if (HANDLED(price_db_))
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price_db_path = resolve_path(HANDLER(price_db_).str());
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#if defined(HAVE_BOOST_SERIALIZATION)
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optional<archive_t> cache;
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if (HANDLED(cache_) && master_account.empty())
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cache = archive_t(HANDLED(cache_).str());
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if (! (cache &&
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cache->should_load(HANDLER(file_).data_files) &&
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cache->load(journal))) {
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#endif // HAVE_BOOST_SERIALIZATION
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if (price_db_path) {
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if (exists(*price_db_path)) {
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if (journal->read(*price_db_path) > 0)
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throw_(parse_error, _("Transactions not allowed in price history file"));
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}
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}
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foreach (const path& pathname, HANDLER(file_).data_files) {
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if (pathname == "-") {
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// To avoid problems with stdin and pipes, etc., we read the entire
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// file in beforehand into a memory buffer, and then parcel it out
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// from there.
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std::ostringstream buffer;
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while (std::cin.good() && ! std::cin.eof()) {
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char line[8192];
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std::cin.read(line, 8192);
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std::streamsize count = std::cin.gcount();
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buffer.write(line, count);
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}
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buffer.flush();
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std::istringstream buf_in(buffer.str());
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xact_count += journal->read(buf_in, "/dev/stdin", acct);
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journal->sources.push_back(journal_t::fileinfo_t());
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} else {
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xact_count += journal->read(pathname, acct);
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}
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}
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assert(xact_count == journal->xacts.size());
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#if defined(HAVE_BOOST_SERIALIZATION)
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if (cache && cache->should_save(journal))
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cache->save(journal);
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}
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#endif // HAVE_BOOST_SERIALIZATION
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if (populated_data_files)
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HANDLER(file_).data_files.clear();
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VERIFY(journal->valid());
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return journal->xacts.size();
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}
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void session_t::read_journal_files()
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{
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INFO_START(journal, "Read journal file");
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string master_account;
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if (HANDLED(master_account_))
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master_account = HANDLER(master_account_).str();
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std::size_t count = read_data(master_account);
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if (count == 0)
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throw_(parse_error,
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_("Failed to locate any transactions; did you specify a valid file with -f?"));
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INFO_FINISH(journal);
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INFO("Found " << count << " transactions");
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}
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void session_t::close_journal_files()
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{
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journal.reset();
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amount_t::shutdown();
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journal.reset(new journal_t);
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amount_t::initialize(journal->commodity_pool);
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}
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option_t<session_t> * session_t::lookup_option(const char * p)
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{
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switch (*p) {
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case 'Q':
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OPT_CH(download); // -Q
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break;
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case 'Z':
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OPT_CH(price_exp_);
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break;
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case 'c':
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OPT(cache_);
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break;
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case 'd':
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OPT(download); // -Q
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break;
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case 'e':
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OPT(european);
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break;
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case 'f':
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OPT_(file_); // -f
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break;
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case 'i':
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OPT(input_date_format_);
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break;
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case 'l':
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OPT_ALT(price_exp_, leeway_);
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break;
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case 'm':
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OPT(master_account_);
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break;
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case 'p':
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OPT(price_db_);
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else OPT(price_exp_);
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break;
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case 's':
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OPT(strict);
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break;
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}
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return NULL;
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}
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expr_t::ptr_op_t session_t::lookup(const symbol_t::kind_t kind,
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const string& name)
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{
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switch (kind) {
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case symbol_t::FUNCTION:
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// Check if they are trying to access an option's setting or value.
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if (option_t<session_t> * handler = lookup_option(name.c_str()))
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return MAKE_OPT_FUNCTOR(session_t, handler);
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break;
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case symbol_t::OPTION:
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if (option_t<session_t> * handler = lookup_option(name.c_str()))
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return MAKE_OPT_HANDLER(session_t, handler);
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break;
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default:
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break;
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}
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return symbol_scope_t::lookup(kind, name);
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}
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} // namespace ledger
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