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+/*
+ * Copyright (c) 2003-2007, 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 "utils.h"
+#include "option.h"
+//#if defined(HAVE_EXPAT) || defined(HAVE_XMLPARSE)
+//#include "gnucash.h"
+//#endif
+//#include "qif.h"
+//#include "ofx.h"
+#include "jbuilder.h"
+#include "compile.h"
+
+#include <ledger.h>
+
+#ifdef HAVE_UNIX_PIPES
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <fdstream.hpp>
+#endif
+
+static int read_and_report(ledger::report_t& report, int argc, char * argv[],
+ char * envp[])
+{
+ using namespace ledger;
+
+ session_t& session(report.session);
+
+ // Handle the command-line arguments
+
+ strings_list args;
+ process_arguments(argc - 1, argv + 1, false, report, args);
+
+ if (args.empty()) {
+#if 0
+ help(std::cerr);
+#endif
+ return 1;
+ }
+ strings_list::iterator arg = args.begin();
+
+ if (! session.cache_file)
+ session.use_cache = false;
+ else
+ session.use_cache = ! session.data_file.empty() && session.price_db;
+
+ DEBUG("ledger.session.cache", "1. use_cache = " << session.use_cache);
+
+ // Process the environment settings
+
+ TRACE_START(environment, 1, "Processed environment variables");
+ process_environment(const_cast<const char **>(envp), "LEDGER_", report);
+ TRACE_FINISH(environment, 1);
+
+ optional<path> home;
+ if (const char * home_var = std::getenv("HOME"))
+ home = home_var;
+
+ if (! session.init_file)
+ session.init_file = home ? *home / ".ledgerrc" : "./.ledgerrc";
+ if (! session.price_db)
+ session.price_db = home ? *home / ".pricedb" : "./.pricedb";
+
+ if (! session.cache_file)
+ session.cache_file = home ? *home / ".ledger-cache" : "./.ledger-cache";
+
+ if (session.data_file == *session.cache_file)
+ session.use_cache = false;
+
+ DEBUG("ledger.session.cache", "2. use_cache = " << session.use_cache);
+
+ INFO("Initialization file is " << session.init_file->string());
+ INFO("Price database is " << session.price_db->string());
+ INFO("Binary cache is " << session.cache_file->string());
+ INFO("Journal file is " << session.data_file.string());
+
+ if (! session.use_cache)
+ INFO("Binary cache mechanism will not be used");
+
+ // Read the command word and create a command object based on it
+
+ string verb = *arg++;
+
+ xml::xpath_t::function_t command;
+
+#if 0
+ if (verb == "register" || verb == "reg" || verb == "r")
+ command = register_command();
+ else if (verb == "balance" || verb == "bal" || verb == "b")
+ command = balance_command();
+ else if (verb == "print" || verb == "p")
+ command = print_command();
+ else if (verb == "equity")
+ command = equity_command();
+ else if (verb == "entry")
+ command = entry_command();
+ else if (verb == "dump")
+ command = dump_command();
+ else if (verb == "output")
+ command = output_command();
+ else if (verb == "prices")
+ command = prices_command();
+ else if (verb == "pricesdb")
+ command = pricesdb_command();
+ else if (verb == "csv")
+ command = csv_command();
+ else if (verb == "emacs" || verb == "lisp")
+ command = emacs_command();
+ else
+#endif
+ if (verb == "xml")
+ command = bind(xml_command, _1);
+ else if (verb == "expr")
+ ;
+ else if (verb == "xpath")
+ ;
+ else if (verb == "parse") {
+ xml::xpath_t expr(*arg);
+ xml::document_t temp(xml::LEDGER_NODE);
+
+ xml::xpath_t::context_scope_t doc_scope(report, &temp);
+
+ IF_INFO() {
+ std::cout << "Value expression tree:" << std::endl;
+ expr.dump(std::cout);
+ std::cout << std::endl;
+
+ std::cout << "Value expression parsed was:" << std::endl;
+ expr.print(std::cout, doc_scope);
+ std::cout << std::endl << std::endl;
+
+ expr.compile(doc_scope);
+
+ std::cout << "Value expression after compiling:" << std::endl;
+ expr.dump(std::cout);
+ std::cout << std::endl;
+
+ std::cout << "Value expression is now:" << std::endl;
+ expr.print(std::cout, doc_scope);
+ std::cout << std::endl << std::endl;
+
+ std::cout << "Result of calculation: ";
+ }
+
+ std::cout << expr.calc(doc_scope).strip_annotations() << std::endl;
+
+ return 0;
+ }
+ else {
+ char buf[128];
+ std::strcpy(buf, "command_");
+ std::strcat(buf, verb.c_str());
+
+ if (xml::xpath_t::ptr_op_t def = report.lookup(buf))
+ command = def->as_function();
+
+ if (! command)
+ throw_(std::logic_error, string("Unrecognized command '") + verb + "'");
+ }
+
+ // Parse the initialization file, which can only be textual; then
+ // parse the journal data.
+
+ session.read_init();
+
+ INFO_START(journal, "Read journal file");
+
+ xml::document_t xml_document(xml::LEDGER_NODE);
+ journal_t * journal = session.create_journal();
+ xml::journal_builder_t builder(xml_document, journal);
+
+ if (! session.read_data(builder, journal, report.account))
+ throw_(parse_error, "Failed to locate any journal entries; "
+ "did you specify a valid file with -f?");
+
+ INFO_FINISH(journal);
+
+ TRACE_FINISH(entry_text, 1);
+ TRACE_FINISH(entry_date, 1);
+ TRACE_FINISH(entry_details, 1);
+ TRACE_FINISH(entry_xacts, 1);
+ TRACE_FINISH(entries, 1);
+ TRACE_FINISH(parsing_total, 1);
+
+ // Configure the output stream
+
+#ifdef HAVE_UNIX_PIPES
+ int status, pfd[2]; // Pipe file descriptors
+#endif
+ std::ostream * out = &std::cout;
+
+ if (report.output_file) {
+ out = new ofstream(*report.output_file);
+ }
+#ifdef HAVE_UNIX_PIPES
+ else if (report.pager) {
+ status = pipe(pfd);
+ if (status == -1)
+ throw_(std::logic_error, "Failed to create pipe");
+
+ status = fork();
+ if (status < 0) {
+ throw_(std::logic_error, "Failed to fork child process");
+ }
+ else if (status == 0) { // child
+ // Duplicate pipe's reading end into stdin
+ status = dup2(pfd[0], STDIN_FILENO);
+ if (status == -1)
+ perror("dup2");
+
+ // Close unuseful file descriptors: the pipe's writing and
+ // reading ends (the latter is not needed anymore, after the
+ // duplication).
+ close(pfd[1]);
+ close(pfd[0]);
+
+ // Find command name: its the substring starting right of the
+ // rightmost '/' character in the pager pathname. See manpage
+ // for strrchr.
+ execlp(report.pager->native_file_string().c_str(),
+ basename(*report.pager).c_str(), (char *)0);
+ perror("execl");
+ exit(1);
+ }
+ else { // parent
+ close(pfd[0]);
+ out = new boost::fdostream(pfd[1]);
+ }
+ }
+#endif
+
+ report.define("ostream", value_t(out));
+
+ // Are we handling the expr commands? Do so now.
+
+ xml::xpath_t::context_scope_t doc_scope(report, &xml_document);
+
+ if (verb == "expr") {
+ xml::xpath_t expr(*arg);
+
+ IF_INFO() {
+ *out << "Value expression tree:" << std::endl;
+ expr.dump(*out);
+ *out << std::endl;
+ *out << "Value expression parsed was:" << std::endl;
+ expr.print(*out, doc_scope);
+ *out << std::endl << std::endl;
+ *out << "Result of calculation: ";
+ }
+
+ *out << expr.calc(doc_scope).strip_annotations() << std::endl;
+
+ return 0;
+ }
+ else if (verb == "xpath") {
+ std::cout << "XPath parsed: ";
+
+ xml::xpath_t xpath(*arg);
+ xpath.print(*out, doc_scope);
+ *out << std::endl;
+
+ IF_INFO() {
+ *out << "Raw results:" << std::endl;
+
+ foreach (const value_t& value, xpath.find_all(doc_scope)) {
+ if (value.is_xml_node())
+ value.as_xml_node()->print(std::cout);
+ else
+ std::cout << value;
+ std::cout << std::endl;
+ }
+
+ *out << "Compiled results:" << std::endl;
+ }
+
+ xml::compile_node(xml_document, report);
+
+ foreach (const value_t& value, xpath.find_all(doc_scope)) {
+ if (value.is_xml_node())
+ value.as_xml_node()->print(std::cout);
+ else
+ std::cout << value;
+ std::cout << std::endl;
+ }
+ return 0;
+ }
+
+ // Apply transforms to the hierarchical document structure
+
+ INFO_START(transforms, "Applied transforms");
+ report.apply_transforms(doc_scope);
+ INFO_FINISH(transforms);
+
+ // Create an argument scope containing the report command's
+ // arguments, and then invoke the command.
+
+ xml::xpath_t::call_scope_t command_args(doc_scope);
+
+ for (strings_list::iterator i = arg; i != args.end(); i++)
+ command_args.push_back(value_t(*i, true));
+
+ INFO_START(command, "Did user command '" << verb << "'");
+
+ command(command_args);
+
+ INFO_FINISH(command);
+
+ // Write out the binary cache, if need be
+
+ if (session.use_cache && session.cache_dirty && session.cache_file) {
+ TRACE_START(binary_cache, 1, "Wrote binary journal file");
+
+#if 0
+ ofstream stream(*session.cache_file);
+ write_binary_journal(stream, journal);
+#endif
+
+ TRACE_FINISH(binary_cache, 1);
+ }
+
+ // If the user specified a pager, wait for it to exit now
+
+#ifdef HAVE_UNIX_PIPES
+ if (! report.output_file && report.pager) {
+ checked_delete(out);
+ close(pfd[1]);
+
+ // Wait for child to finish
+ wait(&status);
+ if (status & 0xffff != 0)
+ throw_(std::logic_error, "Something went wrong in the pager");
+ }
+#endif
+ else if (DO_VERIFY() && report.output_file) {
+ checked_delete(out);
+ }
+
+ return 0;
+}
+
+int main(int argc, char * argv[], char * envp[])
+{
+ int status = 1;
+
+ for (int i = 1; i < argc; i++)
+ if (argv[i][0] == '-') {
+ if (std::strcmp(argv[i], "--verify") == 0) {
+#if defined(VERIFY_ON)
+ ledger::verify_enabled = true;
+#endif
+ }
+ else if (std::strcmp(argv[i], "--verbose") == 0 ||
+ std::strcmp(argv[i], "-v") == 0) {
+#if defined(LOGGING_ON)
+ ledger::_log_level = ledger::LOG_INFO;
+#endif
+ }
+ else if (i + 1 < argc && std::strcmp(argv[i], "--debug") == 0) {
+#if defined(DEBUG_ON)
+ ledger::_log_level = ledger::LOG_DEBUG;
+ ledger::_log_category = argv[i + 1];
+ i++;
+#endif
+ }
+ else if (i + 1 < argc && std::strcmp(argv[i], "--trace") == 0) {
+#if defined(TRACING_ON)
+ ledger::_log_level = ledger::LOG_TRACE;
+ ledger::_trace_level = boost::lexical_cast<int>(argv[i + 1]);
+ i++;
+#endif
+ }
+ }
+
+ IF_VERIFY()
+ ledger::initialize_memory_tracing();
+
+ try {
+ std::ios::sync_with_stdio(false);
+
+ boost::filesystem::path::default_name_check
+ (boost::filesystem::portable_posix_name);
+
+ INFO("Ledger starting");
+
+ std::auto_ptr<ledger::session_t> session(new ledger::session_t);
+
+ ledger::set_session_context(session.get());
+
+#if 0
+ session->register_parser(new binary_parser_t);
+#if defined(HAVE_EXPAT) || defined(HAVE_XMLPARSE)
+ session->register_parser(new xml::xml_parser_t);
+ session->register_parser(new gnucash_parser_t);
+#endif
+#ifdef HAVE_LIBOFX
+ session->register_parser(new ofx_parser_t);
+#endif
+ session->register_parser(new qif_parser_t);
+#endif
+ session->register_parser(new ledger::textual_parser_t);
+
+ std::auto_ptr<ledger::report_t> report(new ledger::report_t(*session.get()));
+
+ status = read_and_report(*report.get(), argc, argv, envp);
+
+ if (DO_VERIFY()) {
+ ledger::set_session_context();
+ } else {
+ report.release();
+ session.release();
+ }
+ }
+#if 0
+ catch (error * err) {
+ std::cout.flush();
+ // Push a null here since there's no file context
+ if (err->context.empty() ||
+ ! dynamic_cast<xact_context *>(err->context.front()))
+ err->context.push_front(new error_context(""));
+ err->reveal_context(std::cerr, "Error");
+ std::cerr << err->what() << std::endl;
+ checked_delete(err);
+ }
+ catch (fatal * err) {
+ std::cout.flush();
+ // Push a null here since there's no file context
+ if (err->context.empty() ||
+ ! dynamic_cast<xact_context *>(err->context.front()))
+ err->context.push_front(new error_context(""));
+ err->reveal_context(std::cerr, "Fatal");
+ std::cerr << err->what() << std::endl;
+ checked_delete(err);
+ }
+#endif
+ catch (const std::exception& err) {
+ std::cout.flush();
+ std::cerr << "Error: " << err.what() << std::endl;
+ }
+ catch (int _status) {
+ status = _status;
+ }
+
+ IF_VERIFY() {
+ INFO("Ledger ended (Boost/libstdc++ may still hold memory)");
+ ledger::shutdown_memory_tracing();
+ } else {
+ INFO("Ledger ended");
+ }
+
+ return status;
+}
+
+// main.cc ends here.
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