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7968022c23
This is not possible on platforms where char is unsigned. In cases where fail() is checked, it is also unnecessary.
132 lines
2.5 KiB
C++
132 lines
2.5 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file documentSpec.cxx
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* @author drose
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* @date 2003-01-28
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*/
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#include "documentSpec.h"
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#include "indent.h"
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/**
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*
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*/
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int DocumentSpec::
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compare_to(const DocumentSpec &other) const {
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if (_flags != other._flags) {
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return (_flags - other._flags);
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}
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int c = _url.compare_to(other._url);
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if (c != 0) {
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return c;
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}
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if (has_tag()) {
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c = _tag.compare_to(other._tag);
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if (c != 0) {
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return c;
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}
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}
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if (has_date()) {
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c = _date.compare_to(other._date);
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if (c != 0) {
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return c;
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}
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}
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// We don't consider _request_mode or _cache_control significant in the
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// comparison.
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return 0;
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}
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/**
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* Can be used to read in the DocumentSpec from a stream generated either by
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* output() or write(). Returns true on success, false on failure.
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*/
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bool DocumentSpec::
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input(std::istream &in) {
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// First, clear the spec.
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(*this) = DocumentSpec();
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char ch;
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in >> ch;
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if (ch != '[') {
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return false;
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}
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in >> _url;
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in >> ch;
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if (ch == '(') {
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// Scan the tag, up to but not including the closing paren.
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std::string tag;
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in >> ch;
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while (!in.fail() && ch != ')') {
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tag += ch;
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// We want to include embedded whitespace, so we use get().
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ch = in.get();
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}
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set_tag(HTTPEntityTag(tag));
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// Now ch is the close paren following the tag; skip to the next
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// character.
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in >> ch;
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}
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// Scan the date, up to but not including the closing bracket.
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if (ch != ']') {
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std::string date;
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while (!in.fail() && ch != ']') {
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date += ch;
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ch = in.get();
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}
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set_date(HTTPDate(date));
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if (!get_date().is_valid()) {
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return false;
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}
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}
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return true;
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}
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/**
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*
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*/
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void DocumentSpec::
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output(std::ostream &out) const {
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out << "[ " << get_url();
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if (has_tag()) {
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out << " (" << get_tag() << ")";
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}
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if (has_date()) {
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out << " " << get_date();
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}
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out << " ]";
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}
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/**
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*
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*/
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void DocumentSpec::
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write(std::ostream &out, int indent_level) const {
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indent(out, indent_level)
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<< "[ " << get_url();
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if (has_tag()) {
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out << "\n";
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indent(out, indent_level + 2)
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<< "(" << get_tag() << ")";
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}
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if (has_date()) {
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out << "\n";
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indent(out, indent_level + 2)
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<< get_date();
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}
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out << " ]\n";
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}
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