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85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
/**
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* Copyright (c) 2022, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "attr_line.builder.hh"
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attr_line_builder&
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attr_line_builder::append_as_hexdump(const string_fragment& sf)
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{
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auto byte_off = size_t{0};
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for (auto ch : sf) {
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if (byte_off == 8) {
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this->append(" ");
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}
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std::optional<role_t> ro;
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if (ch == '\0') {
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ro = role_t::VCR_NULL;
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} else if (isspace(ch) || iscntrl(ch)) {
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ro = role_t::VCR_ASCII_CTRL;
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} else if (!isprint(ch)) {
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ro = role_t::VCR_NON_ASCII;
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}
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auto ag = ro.has_value() ? this->with_attr(VC_ROLE.value(ro.value()))
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: this->with_default();
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this->appendf(FMT_STRING(" {:0>2x}"), ch);
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byte_off += 1;
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}
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for (; byte_off < 16; byte_off++) {
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if (byte_off == 8) {
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this->append(" ");
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}
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this->append(" ");
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}
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this->append(" ");
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byte_off = 0;
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for (auto ch : sf) {
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if (byte_off == 8) {
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this->append(" ");
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}
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if (ch == '\0') {
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auto ag = this->with_attr(VC_ROLE.value(role_t::VCR_NULL));
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this->append("\u22c4");
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} else if (isspace(ch)) {
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auto ag = this->with_attr(VC_ROLE.value(role_t::VCR_ASCII_CTRL));
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this->append("_");
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} else if (iscntrl(ch)) {
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auto ag = this->with_attr(VC_ROLE.value(role_t::VCR_ASCII_CTRL));
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this->append("\u2022");
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} else if (isprint(ch)) {
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this->alb_line.get_string().push_back(ch);
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} else {
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auto ag = this->with_attr(VC_ROLE.value(role_t::VCR_NON_ASCII));
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this->append("\u00d7");
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}
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byte_off += 1;
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}
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return *this;
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}
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