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diff --git a/src/format.h b/src/format.h
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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.
- */
-
-#ifndef _FORMAT_H
-#define _FORMAT_H
-
-#include "xpath.h"
-
-namespace ledger {
-
-class format_t
-{
- public:
- struct element_t
- {
- bool align_left;
- short min_width;
- short max_width;
-
- enum kind_t { UNKNOWN, TEXT, COLUMN, XPATH, GROUP } kind;
- union {
- string * chars;
- xml::xpath_t * xpath;
- format_t * format;
- };
-
- element_t()
- : align_left(false), min_width(-1), max_width(-1),
- kind(UNKNOWN), chars(NULL) {
- TRACE_CTOR(element_t, "");
- }
-
- ~element_t() {
- TRACE_DTOR(element_t);
-
- switch (kind) {
- case TEXT:
- checked_delete(chars);
- break;
- case XPATH:
- checked_delete(xpath);
- break;
- case GROUP:
- checked_delete(format);
- break;
- default:
- assert(! chars);
- break;
- }
- }
-
- private:
- element_t(const element_t& other);
- };
-
- struct element_formatter_t {
- virtual ~element_formatter_t() {}
- virtual int operator()(std::ostream& out, element_t * element,
- xml::node_t * context, int column) const;
- };
-
- string format_string;
- std::list<element_t *> elements;
-
- private:
- format_t(const format_t&);
-
- public:
- format_t() {
- TRACE_CTOR(format_t, "");
- }
- format_t(const string& fmt) {
- TRACE_CTOR(format_t, "const string&");
- parse(fmt);
- }
-
- void clear_elements() {
- for (std::list<element_t *>::iterator i = elements.begin();
- i != elements.end();
- i++)
- checked_delete(*i);
- elements.clear();
- }
-
- virtual ~format_t() {
- TRACE_DTOR(format_t);
- clear_elements();
- }
-
- void parse(const string& fmt);
-
- void compile(const string& fmt, xml::node_t * context = NULL) {
- parse(fmt);
- compile(context);
- }
- void compile(xml::node_t * context = NULL);
-
- int format(std::ostream& out, xml::node_t * context = NULL,
- int column = 0, const element_formatter_t& formatter =
- element_formatter_t()) const;
-
- operator bool() const {
- return ! format_string.empty();
- }
-};
-
-DECLARE_EXCEPTION(format_error);
-
-} // namespace ledger
-
-#endif // _FORMAT_H