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authorJohn Wiegley <johnw@newartisans.com>2008-08-05 13:17:04 -0400
committerJohn Wiegley <johnw@newartisans.com>2008-08-05 18:05:49 -0400
commitf6f4a46cf5b14f9a2170cd6475958efbf320caec (patch)
tree05bc1defcdebc201de3dd10477483d906a842821 /iterators.cc
parentb7970b29855563e4c67f85af8b31233eda80c22a (diff)
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Moved around most of the files so that source code is in src/, documentation
is in doc/, etc.
Diffstat (limited to 'iterators.cc')
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diff --git a/iterators.cc b/iterators.cc
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-/*
- * Copyright (c) 2003-2008, John Wiegley. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of New Artisans LLC nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "iterators.h"
-#include "session.h"
-#include "compare.h"
-
-namespace ledger {
-
-void entries_iterator::reset(session_t& session)
-{
- journals_i = session.journals.begin();
- journals_end = session.journals.end();
-
- journals_uninitialized = false;
-
- if (journals_i != journals_end) {
- entries_i = (*journals_i).entries.begin();
- entries_end = (*journals_i).entries.end();
-
- entries_uninitialized = false;
- } else {
- entries_uninitialized = true;
- }
-}
-
-entry_t * entries_iterator::operator()()
-{
- if (entries_i == entries_end) {
- journals_i++;
- if (journals_i == journals_end)
- return NULL;
-
- entries_i = (*journals_i).entries.begin();
- entries_end = (*journals_i).entries.end();
- }
- return *entries_i++;
-}
-
-void session_xacts_iterator::reset(session_t& session)
-{
- entries.reset(session);
- entry_t * entry = entries();
- if (entry != NULL)
- xacts.reset(*entry);
-}
-
-xact_t * session_xacts_iterator::operator()()
-{
- xact_t * xact = xacts();
- if (xact == NULL) {
- entry_t * entry = entries();
- if (entry != NULL) {
- xacts.reset(*entry);
- xact = xacts();
- }
- }
- return xact;
-}
-
-account_t * basic_accounts_iterator::operator()()
-{
- while (! accounts_i.empty() &&
- accounts_i.back() == accounts_end.back()) {
- accounts_i.pop_back();
- accounts_end.pop_back();
- }
- if (accounts_i.empty())
- return NULL;
-
- account_t * account = (*(accounts_i.back()++)).second;
- assert(account);
-
- // If this account has children, queue them up to be iterated next.
- if (! account->accounts.empty())
- push_back(*account);
-
- return account;
-}
-
-void sorted_accounts_iterator::sort_accounts(account_t& account,
- accounts_deque_t& deque)
-{
- foreach (accounts_map::value_type& pair, account.accounts)
- deque.push_back(pair.second);
-
- std::stable_sort(deque.begin(), deque.end(),
- compare_items<account_t>(sort_cmp));
-}
-
-account_t * sorted_accounts_iterator::operator()()
-{
- while (! sorted_accounts_i.empty() &&
- sorted_accounts_i.back() == sorted_accounts_end.back()) {
- sorted_accounts_i.pop_back();
- sorted_accounts_end.pop_back();
- assert(! accounts_list.empty());
- accounts_list.pop_back();
- }
- if (sorted_accounts_i.empty())
- return NULL;
-
- account_t * account = *sorted_accounts_i.back()++;
- assert(account);
-
- // If this account has children, queue them up to be iterated next.
- if (! account->accounts.empty())
- push_back(*account);
-
- account->xdata().drop_flags(ACCOUNT_EXT_SORT_CALC);
- return account;
-}
-
-void journals_iterator::reset(session_t& session)
-{
- journals_i = session.journals.begin();
- journals_end = session.journals.end();
-}
-
-journal_t * journals_iterator::operator()()
-{
- if (journals_i == journals_end)
- return NULL;
- return &(*journals_i++);
-}
-
-#if 0
-// jww (2008-08-03): This needs to be changed into a commodities->xacts
-// iterator.
-
-// jww (2008-08-03): We then could also use a payees->xacts iterator
-
-void walk_commodities(commodity_pool_t::commodities_by_ident& commodities,
- item_handler<xact_t>& handler)
-{
- std::list<xact_t> xact_temps;
- std::list<entry_t> entry_temps;
- std::list<account_t> acct_temps;
-
- for (commodity_pool_t::commodities_by_ident::iterator
- i = commodities.begin();
- i != commodities.end();
- i++) {
- if ((*i)->has_flags(COMMODITY_STYLE_NOMARKET))
- continue;
-
- entry_temps.push_back(entry_t());
- acct_temps.push_back(account_t(NULL, (*i)->symbol()));
-
- if ((*i)->history())
- foreach (const commodity_t::history_map::value_type& pair,
- (*i)->history()->prices) {
- entry_temps.back()._date = pair.first.date();
-
- xact_temps.push_back(xact_t(&acct_temps.back()));
- xact_t& temp = xact_temps.back();
- temp.entry = &entry_temps.back();
- temp.amount = pair.second;
- temp.add_flags(XACT_TEMP);
- entry_temps.back().add_xact(&temp);
-
- handler(xact_temps.back());
- }
- }
-
- handler.flush();
-
- clear_entries_xacts(entry_temps);
-}
-#endif
-
-} // namespace ledger