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-rw-r--r--src/string_utils.cc244
1 files changed, 1 insertions, 243 deletions
diff --git a/src/string_utils.cc b/src/string_utils.cc
index c614d485..d533a12b 100644
--- a/src/string_utils.cc
+++ b/src/string_utils.cc
@@ -3,9 +3,7 @@
#include "exception.hh"
#include "utf8_iterator.hh"
#include "unit_tests.hh"
-
-#include <charconv>
-#include <cstdio>
+#include "ranges.hh"
namespace Kakoune
{
@@ -147,88 +145,6 @@ int str_to_int(StringView str)
throw runtime_error{str + " is not a number"};
}
-template<size_t N>
-InplaceString<N> to_string_impl(auto val, auto format)
-{
- InplaceString<N> res;
- auto [end, errc] = std::to_chars(res.m_data, res.m_data + N, val, format);
- if (errc != std::errc{})
- throw runtime_error("to_string error");
- res.m_length = end - res.m_data;
- *end = '\0';
- return res;
-}
-
-template<size_t N>
-InplaceString<N> to_string_impl(auto val)
-{
- return to_string_impl<N>(val, 10);
-}
-
-InplaceString<15> to_string(int val)
-{
- return to_string_impl<15>(val);
-}
-
-InplaceString<15> to_string(unsigned val)
-{
- return to_string_impl<15>(val);
-}
-
-InplaceString<23> to_string(long int val)
-{
- return to_string_impl<23>(val);
-}
-
-InplaceString<23> to_string(long long int val)
-{
- return to_string_impl<23>(val);
-}
-
-InplaceString<23> to_string(unsigned long val)
-{
- return to_string_impl<23>(val);
-}
-
-InplaceString<23> to_string(Hex val)
-{
- return to_string_impl<23>(val.val, 16);
-}
-
-InplaceString<23> to_string(Grouped val)
-{
- auto ungrouped = to_string_impl<23>(val.val);
-
- InplaceString<23> res;
- for (int pos = 0, len = ungrouped.m_length; pos != len; ++pos)
- {
- if (res.m_length and ((len - pos) % 3) == 0)
- res.m_data[res.m_length++] = ',';
- res.m_data[res.m_length++] = ungrouped.m_data[pos];
- }
- return res;
-}
-
-InplaceString<23> to_string(float val)
-{
-#if defined(__cpp_lib_to_chars)
- return to_string_impl<23>(val, std::chars_format::general);
-#else
- InplaceString<23> res;
- res.m_length = snprintf(res.m_data, 23, "%f", val);
- return res;
-#endif
-}
-
-InplaceString<7> to_string(Codepoint c)
-{
- InplaceString<7> res;
- char* ptr = res.m_data;
- utf8::dump(ptr, c);
- res.m_length = (int)(ptr - res.m_data);
- return res;
-}
-
bool subsequence_match(StringView str, StringView subseq)
{
auto it = str.begin();
@@ -270,149 +186,6 @@ String expand_tabs(StringView line, ColumnCount tabstop, ColumnCount col)
return res;
}
-WrapView::Iterator::Iterator(StringView text, ColumnCount max_width)
- : m_remaining{text}, m_max_width{max_width}
-{
- if (max_width <= 0)
- throw runtime_error("Invalid max width");
- ++*this;
-}
-
-WrapView::Iterator& WrapView::Iterator::operator++()
-{
- using Utf8It = utf8::iterator<const char*>;
- Utf8It it{m_remaining.begin(), m_remaining};
- Utf8It last_word_end = it;
-
- while (it != m_remaining.end())
- {
- const CharCategories cat = categorize(*it, {'_'});
- if (cat == CharCategories::EndOfLine)
- {
- m_current = StringView{m_remaining.begin(), it.base()};
- m_remaining = StringView{(it+1).base(), m_remaining.end()};
- return *this;
- }
-
- Utf8It word_end = it+1;
- while (word_end != m_remaining.end() and categorize(*word_end, {'_'}) == cat)
- ++word_end;
-
- if (word_end > m_remaining.begin() and
- utf8::column_distance(m_remaining.begin(), word_end.base()) >= m_max_width)
- {
- auto line_end = last_word_end <= m_remaining.begin() ?
- Utf8It{utf8::advance(m_remaining.begin(), m_remaining.end(), m_max_width), m_remaining}
- : last_word_end;
-
- m_current = StringView{m_remaining.begin(), line_end.base()};
-
- while (line_end != m_remaining.end() and is_horizontal_blank(*line_end))
- ++line_end;
-
- if (line_end != m_remaining.end() and *line_end == '\n')
- ++line_end;
-
- m_remaining = StringView{line_end.base(), m_remaining.end()};
- return *this;
- }
- if (cat == CharCategories::Word or cat == CharCategories::Punctuation)
- last_word_end = word_end;
-
- if (word_end > m_remaining.begin())
- it = word_end;
- }
- m_current = m_remaining;
- m_remaining = StringView{};
- return *this;
-}
-
-template<typename AppendFunc>
-void format_impl(StringView fmt, ArrayView<const StringView> params, AppendFunc append)
-{
- int implicitIndex = 0;
- for (auto it = fmt.begin(), end = fmt.end(); it != end;)
- {
- auto opening = std::find(it, end, '{');
- if (opening == end)
- {
- append(StringView{it, opening});
- break;
- }
- else if (opening != it and *(opening-1) == '\\')
- {
- append(StringView{it, opening-1});
- append('{');
- it = opening + 1;
- }
- else
- {
- append(StringView{it, opening});
- auto closing = std::find(opening, end, '}');
- if (closing == end)
- throw runtime_error("format string error, unclosed '{'");
-
- auto format = std::find(opening+1, closing, ':');
- const int index = opening+1 == format ? implicitIndex : str_to_int({opening+1, format});
-
- if (index >= params.size())
- throw runtime_error("format string parameter index too big");
-
- if (format != closing)
- {
- char padding = ' ';
- if (*(++format) == '0')
- {
- padding = '0';
- ++format;
- }
- for (ColumnCount width = str_to_int({format, closing}), len = params[index].column_length();
- width > len; --width)
- append(padding);
- }
-
- append(params[index]);
- implicitIndex = index+1;
- it = closing+1;
- }
- }
-}
-
-StringView format_to(ArrayView<char> buffer, StringView fmt, ArrayView<const StringView> params)
-{
- char* ptr = buffer.begin();
- const char* end = buffer.end();
- format_impl(fmt, params, [&](StringView s) mutable {
- for (auto c : s)
- {
- if (ptr == end)
- throw runtime_error("buffer is too small");
- *ptr++ = c;
- }
- });
- if (ptr == end)
- throw runtime_error("buffer is too small");
- *ptr = 0;
-
- return { buffer.begin(), ptr };
-}
-
-void format_with(FunctionRef<void (StringView)> append, StringView fmt, ArrayView<const StringView> params)
-{
- format_impl(fmt, params, append);
-}
-
-String format(StringView fmt, ArrayView<const StringView> params)
-{
- ByteCount size = fmt.length();
- for (auto& s : params) size += s.length();
- String res;
- res.reserve(size);
-
- format_impl(fmt, params, [&](StringView s) { res += s; });
- return res;
-}
-
String double_up(StringView s, StringView characters)
{
String res;
@@ -444,21 +217,6 @@ UnitTest test_string{[]()
kak_assert(StringView{"youpi"}.ends_with("youpi"));
kak_assert(not StringView{"youpi"}.ends_with("oup"));
- auto wrapped = "wrap this paragraph\n respecting whitespaces and much_too_long_words" | wrap_at(16) | gather<Vector<String>>();
- kak_assert(wrapped.size() == 6);
- kak_assert(wrapped[0] == "wrap this");
- kak_assert(wrapped[1] == "paragraph");
- kak_assert(wrapped[2] == " respecting");
- kak_assert(wrapped[3] == "whitespaces and");
- kak_assert(wrapped[4] == "much_too_long_wo");
- kak_assert(wrapped[5] == "rds");
-
- auto wrapped2 = "error: unknown type" | wrap_at(7) | gather<Vector<String>>();
- kak_assert(wrapped2.size() == 3);
- kak_assert(wrapped2[0] == "error:");
- kak_assert(wrapped2[1] == "unknown");
- kak_assert(wrapped2[2] == "type");
-
kak_assert(trim_indent(" ") == "");
kak_assert(trim_indent("no-indent") == "no-indent");
kak_assert(trim_indent("\nno-indent") == "no-indent");
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-12 19:32:24 +0000