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-rw-r--r--src/format.cc265
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diff --git a/src/format.cc b/src/format.cc
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--- a/src/format.cc
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@@ -1,265 +0,0 @@
-/*
- * 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 "format.h"
-
-namespace ledger {
-
-void format_t::parse(const string& fmt)
-{
- element_t * current = NULL;
-
- char buf[1024];
- char * q = buf;
-
- if (elements.size() > 0)
- clear_elements();
- format_string = fmt;
-
- for (const char * p = fmt.c_str(); *p; p++) {
- if (*p != '%' && *p != '\\') {
- *q++ = *p;
- continue;
- }
- else if (*p == '\\') {
- p++;
- switch (*p) {
- case 'b': *q++ = '\b'; break;
- case 'f': *q++ = '\f'; break;
- case 'n': *q++ = '\n'; break;
- case 'r': *q++ = '\r'; break;
- case 't': *q++ = '\t'; break;
- case 'v': *q++ = '\v'; break;
- default:
- *q++ = *p;
- break;
- }
- continue;
- }
- else {
- assert(*p == '%');
- if (*(p + 1) == '%') {
- p++; // %% is the same as \%
- *q++ = *p;
- continue;
- }
- }
-
- current = new element_t;
- elements.push_back(current);
-
- if (q != buf) {
- current->kind = element_t::TEXT;
- current->chars = new string(buf, q);
- q = buf;
-
- current = new element_t;
- elements.push_back(current);
- }
-
- ++p;
- if (*p == '-') {
- current->align_left = true;
- ++p;
- }
-
- if (*p && std::isdigit(*p)) {
- int num = *p++ - '0';
- while (*p && std::isdigit(*p)) {
- num *= 10;
- num += *p++ - '0';
- }
- current->min_width = num;
- }
-
- if (*p == '.') {
- ++p;
- int num = 0;
- while (*p && std::isdigit(*p)) {
- num *= 10;
- num += *p++ - '0';
- }
-
- current->max_width = num;
- if (current->min_width == -1)
- current->min_width = current->max_width;
- }
-
- if (current->max_width != -1 && current->min_width != -1 &&
- current->max_width < current->min_width)
- throw_(format_error, "Maximum width is less than the minimum width");
-
- switch (*p) {
- case '|':
- current->kind = element_t::COLUMN;
- break;
-
- case '{':
- case '(': {
- char open = *p;
- char close = *p == '{' ? '}' : ')';
- ++p;
- const char * b = p;
- int depth = 1;
- while (*p) {
- if (*p == close && --depth == 0)
- break;
- else if (*p == open)
- ++depth;
- p++;
- }
- if (*p != close)
- throw_(format_error, "Missing '" << close << "'");
-
- if (open == '{') {
- assert(! current->xpath);
- current->kind = element_t::XPATH;
- current->xpath = new xml::xpath_t(string(b, p));
- } else {
- assert(! current->format);
- current->kind = element_t::GROUP;
- current->format = new format_t(string(b, p));
- }
- break;
- }
-
- default:
- assert(! current->xpath);
- current->kind = element_t::XPATH;
- current->xpath = new xml::xpath_t(string(p, p + 1));
- break;
- }
- }
-
- if (q != buf) {
- current = new element_t;
- elements.push_back(current);
-
- current->kind = element_t::TEXT;
- current->chars = new string(buf, q);
- }
-}
-
-void format_t::compile(xml::node_t * context)
-{
- for (std::list<element_t *>::iterator i = elements.begin();
- i != elements.end();
- i++)
- switch ((*i)->kind) {
- case element_t::XPATH:
- assert((*i)->xpath);
- (*i)->xpath->compile(context);
- break;
- case element_t::GROUP:
- assert((*i)->format);
- (*i)->format->compile(context);
- break;
- default:
- break;
- }
-}
-
-int format_t::element_formatter_t::operator()
- (std::ostream& out_str, element_t * elem, xml::node_t * context,
- int column) const
-{
- if (elem->kind == element_t::COLUMN) {
- if (elem->max_width != -1 && elem->max_width < column) {
- out_str << '\n';
- column = 0;
- }
-
- if (elem->min_width != -1 && elem->min_width > column) {
- out_str << string(elem->min_width - column, ' ');
- column = elem->min_width;
- }
- return column;
- }
-
- std::ostringstream out;
-
- if (elem->align_left)
- out << std::left;
- else
- out << std::right;
-
- if (elem->min_width > 0)
- out.width(elem->min_width);
-
- int start_column = column;
-
- if (elem->kind == element_t::XPATH)
- elem->xpath->calc(context).strip_annotations()
- .print(out, elem->min_width, elem->max_width);
- else if (elem->kind == element_t::GROUP)
- column = elem->format->format(out, context, column);
- else if (elem->kind == element_t::TEXT)
- out << *elem->chars;
- else
- assert(false);
-
- string temp = out.str();
- for (string::const_iterator i = temp.begin();
- i != temp.end();
- i++)
- if (*i == '\n' || *i == '\r')
- column = 0;
- else
- column++;
-
- int virtual_width = column - start_column;
-
- if (elem->min_width != -1 && virtual_width < elem->min_width) {
- out_str << temp << string(' ', elem->min_width - virtual_width);
- }
- else if (elem->max_width != -1 && virtual_width > elem->max_width) {
- temp.erase(temp.length() - (virtual_width - elem->max_width));
- out_str << temp;
- }
- else {
- out_str << temp;
- }
-
- return column;
-}
-
-int format_t::format(std::ostream& out, xml::node_t * context,
- int column, const element_formatter_t& formatter) const
-{
- for (std::list<element_t *>::const_iterator i = elements.begin();
- i != elements.end();
- i++)
- column = formatter(out, *i, context, column);
-
- return column;
-}
-
-} // namespace ledger
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