lean2/src/util/escaped.cpp

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/*
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include "util/escaped.h"
namespace lean {
char const * escaped::end() const {
if (m_str == 0) return 0;
char const * it = m_str;
char const * e = m_str;
while (*it) {
if (!m_trim_nl || *it != '\n') {
++it;
e = it;
} else {
++it;
}
}
return e;
}
std::ostream & operator<<(std::ostream & out, escaped const & s) {
char const * it = s.m_str;
char const * e = s.end();
for (; it != e; ++it) {
char c = *it;
if (c == '"') {
out << '\\';
}
out << c;
if (c == '\n') {
for (unsigned i = 0; i < s.m_indent; i++)
out << " ";
}
}
return out;
}
}