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/**
*
* Copyright 2021-2023 Ribose Inc. (https://www.ribose.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Original copyright
*
* SEXP implementation code sexp-output.c
* Ron Rivest
* 5/5/1997
*/
#include "sexpp/sexp.h"
namespace sexp {
/*
* sexp_string_t::parse(sis)
* Parses the strin from input stream
*/
void sexp_string_t::parse(sexp_input_stream_t *sis)
{
if (sis->get_next_char() == '[') { /* scan presentation hint */
sis->skip_char('[');
set_presentation_hint(sis->scan_simple_string());
sis->skip_white_space()->skip_char(']')->skip_white_space();
}
set_string(sis->scan_simple_string());
}
/*
* sexp_string_t::print_canonical(os)
* Prints out sexp string onto output stream os
*/
sexp_output_stream_t *sexp_string_t::print_canonical(sexp_output_stream_t *os) const
{
if (with_presentation_hint) {
os->var_put_char('[');
presentation_hint.print_canonical_verbatim(os);
os->var_put_char(']');
}
data_string.print_canonical_verbatim(os);
return os;
}
/*
* sexp_string_t::print_advanced(os)
* Prints out sexp string onto output stream os
*/
sexp_output_stream_t *sexp_string_t::print_advanced(sexp_output_stream_t *os) const
{
sexp_object_t::print_advanced(os);
if (with_presentation_hint) {
os->put_char('[');
presentation_hint.print_advanced(os);
os->put_char(']');
}
data_string.print_advanced(os);
return os;
}
/*
* sexp_string_t::advanced_length(os)
* Returns length of printed image of string
*/
size_t sexp_string_t::advanced_length(sexp_output_stream_t *os) const
{
size_t len = 0;
if (with_presentation_hint)
len += 2 + presentation_hint.advanced_length(os);
len += data_string.advanced_length(os);
return len;
}
/*
* sexp_list_t::parse(sis)
* Parses the list from input stream
*/
void sexp_list_t::parse(sexp_input_stream_t *sis)
{
sis->open_list()->skip_white_space();
if (sis->get_next_char() == ')') {
;
} else {
push_back(sis->scan_object());
}
while (true) {
sis->skip_white_space();
if (sis->get_next_char() == ')') { /* we just grabbed last element of list */
sis->close_list();
return;
} else {
push_back(sis->scan_object());
}
}
}
/*
* sexp_list_t::print_canonical(os)
* Prints out the list "list" onto output stream os
*/
sexp_output_stream_t *sexp_list_t::print_canonical(sexp_output_stream_t *os) const
{
os->var_open_list();
std::for_each(begin(), end(), [os](const std::shared_ptr<sexp_object_t> &obj) {
obj->print_canonical(os);
});
os->var_close_list();
return os;
}
/*
* sexp_list_t::print_advanced(os)
* Prints out the list onto output stream os.
* Uses print-length to determine length of the image. If it all fits
* on the current line, then it is printed that way. Otherwise, it is
* written out in "vertical" mode, with items of the list starting in
* the same column on successive lines.
*/
sexp_output_stream_t *sexp_list_t::print_advanced(sexp_output_stream_t *os) const
{
sexp_object_t::print_advanced(os);
int vertical = false;
int firstelement = true;
os->open_list()->inc_indent();
vertical = (advanced_length(os) > os->get_max_column() - os->get_column());
std::for_each(begin(), end(), [&](const std::shared_ptr<sexp_object_t> &obj) {
if (!firstelement) {
if (vertical)
os->new_line(sexp_output_stream_t::advanced);
else
os->put_char(' ');
}
obj->print_advanced(os);
firstelement = false;
});
if (os->get_max_column() > 0 && os->get_column() > os->get_max_column() - 2)
os->new_line(sexp_output_stream_t::advanced);
return os->dec_indent()->put_char(')');
}
/*
* sexp_list_t::advanced_length(os)
* Returns length of printed image of list given as iterator
*/
size_t sexp_list_t::advanced_length(sexp_output_stream_t *os) const
{
size_t len = 1; /* for left paren */
std::for_each(begin(), end(), [&](const std::shared_ptr<sexp_object_t> &obj) {
len += obj->advanced_length(os);
});
return (len + 1); /* for final paren */
}
/*
* sexp_object_t::print_advanced(os)
* Prints out object on output stream os
*/
sexp_output_stream_t *sexp_object_t::print_advanced(sexp_output_stream_t *os) const
{
if (os->get_max_column() > 0 && os->get_column() > os->get_max_column() - 4)
os->new_line(sexp_output_stream_t::advanced);
return os;
}
} // namespace sexp
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