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/**
* Copyright (c) 2022, Timothy Stack
*
* 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 Timothy Stack 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 REGENTS 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 REGENTS 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.
*/
#include "attr_line.builder.hh"
attr_line_builder&
attr_line_builder::append_as_hexdump(const string_fragment& sf)
{
auto byte_off = size_t{0};
for (auto ch : sf) {
if (byte_off == 8) {
this->append(" ");
}
nonstd::optional<role_t> ro;
if (ch == '\0') {
ro = role_t::VCR_NULL;
} else if (isspace(ch) || iscntrl(ch)) {
ro = role_t::VCR_ASCII_CTRL;
} else if (!isprint(ch)) {
ro = role_t::VCR_NON_ASCII;
}
auto ag = ro.has_value() ? this->with_attr(VC_ROLE.value(ro.value()))
: this->with_default();
this->appendf(FMT_STRING(" {:0>2x}"), ch);
byte_off += 1;
}
for (; byte_off < 16; byte_off++) {
if (byte_off == 8) {
this->append(" ");
}
this->append(" ");
}
this->append(" ");
byte_off = 0;
for (auto ch : sf) {
if (byte_off == 8) {
this->append(" ");
}
if (ch == '\0') {
auto ag = this->with_attr(VC_ROLE.value(role_t::VCR_NULL));
this->append("\u22c4");
} else if (isspace(ch)) {
auto ag = this->with_attr(VC_ROLE.value(role_t::VCR_ASCII_CTRL));
this->append("_");
} else if (iscntrl(ch)) {
auto ag = this->with_attr(VC_ROLE.value(role_t::VCR_ASCII_CTRL));
this->append("\u2022");
} else if (isprint(ch)) {
this->alb_line.get_string().push_back(ch);
} else {
auto ag = this->with_attr(VC_ROLE.value(role_t::VCR_NON_ASCII));
this->append("\u00d7");
}
byte_off += 1;
}
return *this;
}
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