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-rw-r--r--src/util/enriched_string.cpp166
1 files changed, 166 insertions, 0 deletions
diff --git a/src/util/enriched_string.cpp b/src/util/enriched_string.cpp
new file mode 100644
index 000000000..a7fc3a828
--- /dev/null
+++ b/src/util/enriched_string.cpp
@@ -0,0 +1,166 @@
+/*
+Copyright (C) 2013 xyz, Ilya Zhuravlev <whatever@xyz.is>
+Copyright (C) 2016 Nore, Nathanaƫl Courant <nore@mesecons.net>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "enriched_string.h"
+#include "util/string.h"
+#include "log.h"
+using namespace irr::video;
+
+EnrichedString::EnrichedString()
+{
+ clear();
+}
+
+EnrichedString::EnrichedString(const std::wstring &string,
+ const std::vector<SColor> &colors):
+ m_string(string),
+ m_colors(colors),
+ m_has_background(false)
+{}
+
+EnrichedString::EnrichedString(const std::wstring &s, const SColor &color)
+{
+ clear();
+ addAtEnd(s, color);
+}
+
+EnrichedString::EnrichedString(const wchar_t *str, const SColor &color)
+{
+ clear();
+ addAtEnd(std::wstring(str), color);
+}
+
+void EnrichedString::operator=(const wchar_t *str)
+{
+ clear();
+ addAtEnd(std::wstring(str), SColor(255, 255, 255, 255));
+}
+
+void EnrichedString::addAtEnd(const std::wstring &s, const SColor &initial_color)
+{
+ SColor color(initial_color);
+ size_t i = 0;
+ while (i < s.length()) {
+ if (s[i] != L'\x1b') {
+ m_string += s[i];
+ m_colors.push_back(color);
+ ++i;
+ continue;
+ }
+ ++i;
+ size_t start_index = i;
+ size_t length;
+ if (i == s.length()) {
+ break;
+ }
+ if (s[i] == L'(') {
+ ++i;
+ ++start_index;
+ while (i < s.length() && s[i] != L')') {
+ if (s[i] == L'\\') {
+ ++i;
+ }
+ ++i;
+ }
+ length = i - start_index;
+ ++i;
+ } else {
+ ++i;
+ length = 1;
+ }
+ std::wstring escape_sequence(s, start_index, length);
+ std::vector<std::wstring> parts = split(escape_sequence, L'@');
+ if (parts[0] == L"c") {
+ if (parts.size() < 2) {
+ continue;
+ }
+ parseColorString(wide_to_utf8(parts[1]), color, true);
+ } else if (parts[0] == L"b") {
+ if (parts.size() < 2) {
+ continue;
+ }
+ parseColorString(wide_to_utf8(parts[1]), m_background, true);
+ m_has_background = true;
+ }
+ continue;
+ }
+}
+
+void EnrichedString::addChar(const EnrichedString &source, size_t i)
+{
+ m_string += source.m_string[i];
+ m_colors.push_back(source.m_colors[i]);
+}
+
+void EnrichedString::addCharNoColor(wchar_t c)
+{
+ m_string += c;
+ if (m_colors.empty()) {
+ m_colors.push_back(SColor(255, 255, 255, 255));
+ } else {
+ m_colors.push_back(m_colors[m_colors.size() - 1]);
+ }
+}
+
+EnrichedString EnrichedString::operator+(const EnrichedString &other) const
+{
+ std::vector<SColor> result;
+ result.insert(result.end(), m_colors.begin(), m_colors.end());
+ result.insert(result.end(), other.m_colors.begin(), other.m_colors.end());
+ return EnrichedString(m_string + other.m_string, result);
+}
+
+void EnrichedString::operator+=(const EnrichedString &other)
+{
+ m_string += other.m_string;
+ m_colors.insert(m_colors.end(), other.m_colors.begin(), other.m_colors.end());
+}
+
+EnrichedString EnrichedString::substr(size_t pos, size_t len) const
+{
+ if (pos == m_string.length()) {
+ return EnrichedString();
+ }
+ if (len == std::string::npos || pos + len > m_string.length()) {
+ return EnrichedString(
+ m_string.substr(pos, std::string::npos),
+ std::vector<SColor>(m_colors.begin() + pos, m_colors.end())
+ );
+ } else {
+ return EnrichedString(
+ m_string.substr(pos, len),
+ std::vector<SColor>(m_colors.begin() + pos, m_colors.begin() + pos + len)
+ );
+ }
+}
+
+const wchar_t *EnrichedString::c_str() const
+{
+ return m_string.c_str();
+}
+
+const std::vector<SColor> &EnrichedString::getColors() const
+{
+ return m_colors;
+}
+
+const std::wstring &EnrichedString::getString() const
+{
+ return m_string;
+}