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// cppawk: C preprocessor wrapper around awk
// Copyright 2023 Kaz Kylheku <kaz@kylheku.com>
//
// BSD-2 License
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 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 HOLDER 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 __CPPAWK_QUOTE_PRIV_H
#define __CPPAWK_QUOTE_PRIV_H
function __squote(__str)
{
gsub("'", "'\\''", __str)
return "'" __str "'"
}
function __dquote(__str)
{
gsub("\"", "\\\"", __str)
return "\"" __str "\""
}
function __quote(__str,
__dquot_present,
__squot_present,
__meta_present,
__space_present)
{
__dquot_present = __str ~ "\""
__squot_present = __str ~ "'"
__meta_present = __str ~ "[\\\\*?$`~]"
__space_present = __str ~ "[\\t\\n ]"
if (__meta_present)
return __squote(__str)
if (__squot_present)
return __dquote(__str)
if (__dquot_present)
return "'" __str "'"
if (__space_present)
return __dquote(__str)
return __str
}
#endif
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