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// Copyright 2024 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/utils/text/styled_text.h"
#include <string_view>
#include "src/tint/utils/text/styled_text_printer.h"
#include "src/tint/utils/text/text_style.h"
namespace tint {
StyledText::StyledText() = default;
StyledText::StyledText(const StyledText&) = default;
StyledText::StyledText(const std::string& text) {
stream_ << text;
}
StyledText::StyledText(std::string_view text) {
stream_ << text;
}
StyledText::StyledText(StyledText&&) = default;
StyledText& StyledText::operator=(const StyledText& other) = default;
StyledText& StyledText::operator=(std::string_view text) {
Clear();
return *this << text;
}
void StyledText::Clear() {
*this = StyledText{};
}
StyledText& StyledText::SetStyle(TextStyle style) {
if (spans_.Back().style == style) {
return *this;
}
if (spans_.Back().length == 0) {
spans_.Pop();
}
if (spans_.IsEmpty() || spans_.Back().style != style) {
spans_.Push(Span{style});
}
return *this;
}
std::string StyledText::Plain() const {
StringStream ss;
bool is_code = false;
Walk([&](std::string_view text, TextStyle style) {
if (is_code != style.IsCode()) {
ss << "'";
}
is_code = style.IsCode();
ss << text;
});
if (is_code) {
ss << "'";
}
return ss.str();
}
void StyledText::Append(const StyledText& other) {
other.Walk([&](std::string_view text, TextStyle style) { *this << style << text; });
}
StyledText& StyledText::Repeat(char c, size_t n) {
stream_.repeat(c, n);
spans_.Back().length += n;
return *this;
}
} // namespace tint