mirror of
https://github.com/rakshasa/rtorrent.git
synced 2026-08-06 02:02:30 +00:00
Jari Sundell
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
#include "config.h"
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#include "display/text_element_string.h"
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#include <torrent/utils/string_manip.h>
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#include "rpc/parse_commands.h"
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namespace display {
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char*
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TextElementStringBase::print(char* first, char* last, Canvas::attributes_list* attributes, rpc::target_type target) {
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Attributes baseAttribute = attributes->back();
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push_attribute(attributes, Attributes(first, m_attributes, Attributes::color_invalid));
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if (first == last)
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return first;
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if (m_flags & flag_escape_hex) {
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auto buffer = std::make_unique<char[]>(last - first);
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char* bufferLast = copy_string(buffer.get(), buffer.get() + (last - first), target);
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first = torrent::utils::transform_to_hex(buffer.get(), bufferLast, first, last);
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} else if (m_flags & flag_escape_html) {
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auto buffer = std::make_unique<char[]>(last - first);
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char* bufferLast = copy_string(buffer.get(), buffer.get() + (last - first), target);
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first = torrent::utils::copy_escape_html(buffer.get(), bufferLast, first, last);
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} else {
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first = copy_string(first, last, target);
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}
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push_attribute(attributes, Attributes(first, baseAttribute));
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return first;
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}
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char*
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TextElementString::copy_string(char* first, char* last, [[maybe_unused]] rpc::target_type target) {
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extent_type length = std::min<extent_type>(last - first, m_string.size());
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std::memcpy(first, m_string.c_str(), length);
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return first + length;
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}
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char*
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TextElementCString::copy_string(char* first, char* last, [[maybe_unused]] rpc::target_type target) {
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extent_type length = std::min<extent_type>(last - first, m_length);
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std::memcpy(first, m_string, length);
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return first + length;
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}
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char*
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TextElementCommand::print(char* first, char* last, Canvas::attributes_list* attributes, rpc::target_type target) {
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Attributes baseAttribute = attributes->back();
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push_attribute(attributes, Attributes(first, m_attributes, Attributes::color_invalid));
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torrent::Object result = rpc::parse_command(target, m_command, m_commandEnd).first;
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if (first == last)
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return first;
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switch (result.type()) {
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case torrent::Object::TYPE_STRING:
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{
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const std::string& str = result.as_string();
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if (m_flags & flag_escape_hex) {
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first = torrent::utils::transform_to_hex(str.c_str(), str.c_str() + str.size(), first, last);
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} else if (m_flags & flag_escape_html) {
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first = torrent::utils::copy_escape_html(str.c_str(), str.c_str() + str.size(), first, last);
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} else {
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size_t length = std::min<size_t>(str.size(), std::distance(first, last));
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std::memcpy(first, str.c_str(), length);
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first += std::min<size_t>(str.size(), length);
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}
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break;
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}
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case torrent::Object::TYPE_VALUE:
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{
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first += std::min<ptrdiff_t>(std::max(snprintf(first, last - first + 1, "%lld", (long long int)result.as_value()), 0), last - first + 1);
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break;
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}
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default:
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return first;
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}
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push_attribute(attributes, Attributes(first, baseAttribute));
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return first;
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}
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}
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