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-rw-r--r--src/libutil/util.cc230
1 files changed, 1 insertions, 229 deletions
diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index f580ef038..099a07622 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -1,5 +1,6 @@
#include "util.hh"
#include "processes.hh"
+#include "strings.hh"
#include "current-process.hh"
#include "sync.hh"
@@ -164,116 +165,6 @@ Path createNixStateDir()
-std::vector<char *> stringsToCharPtrs(const Strings & ss)
-{
- std::vector<char *> res;
- for (auto & s : ss) res.push_back((char *) s.c_str());
- res.push_back(0);
- return res;
-}
-
-
-//////////////////////////////////////////////////////////////////////
-
-
-template<class C> C tokenizeString(std::string_view s, std::string_view separators)
-{
- C result;
- auto pos = s.find_first_not_of(separators, 0);
- while (pos != std::string_view::npos) {
- auto end = s.find_first_of(separators, pos + 1);
- if (end == std::string_view::npos) end = s.size();
- result.insert(result.end(), std::string(s, pos, end - pos));
- pos = s.find_first_not_of(separators, end);
- }
- return result;
-}
-
-template Strings tokenizeString(std::string_view s, std::string_view separators);
-template StringSet tokenizeString(std::string_view s, std::string_view separators);
-template std::vector<std::string> tokenizeString(std::string_view s, std::string_view separators);
-
-
-std::string chomp(std::string_view s)
-{
- size_t i = s.find_last_not_of(" \n\r\t");
- return i == std::string_view::npos ? "" : std::string(s, 0, i + 1);
-}
-
-
-std::string trim(std::string_view s, std::string_view whitespace)
-{
- auto i = s.find_first_not_of(whitespace);
- if (i == s.npos) return "";
- auto j = s.find_last_not_of(whitespace);
- return std::string(s, i, j == s.npos ? j : j - i + 1);
-}
-
-
-std::string replaceStrings(
- std::string res,
- std::string_view from,
- std::string_view to)
-{
- if (from.empty()) return res;
- size_t pos = 0;
- while ((pos = res.find(from, pos)) != std::string::npos) {
- res.replace(pos, from.size(), to);
- pos += to.size();
- }
- return res;
-}
-
-
-Rewriter::Rewriter(std::map<std::string, std::string> rewrites)
- : rewrites(std::move(rewrites))
-{
- for (const auto & [k, v] : this->rewrites) {
- assert(!k.empty());
- initials.push_back(k[0]);
- }
- std::ranges::sort(initials);
- auto [firstDupe, end] = std::ranges::unique(initials);
- initials.erase(firstDupe, end);
-}
-
-std::string Rewriter::operator()(std::string s)
-{
- size_t j = 0;
- while ((j = s.find_first_of(initials, j)) != std::string::npos) {
- size_t skip = 1;
- for (auto & [from, to] : rewrites) {
- if (s.compare(j, from.size(), from) == 0) {
- s.replace(j, from.size(), to);
- skip = to.size();
- break;
- }
- }
- j += skip;
- }
- return s;
-}
-
-
-std::string toLower(const std::string & s)
-{
- std::string r(s);
- for (auto & c : r)
- c = std::tolower(c);
- return r;
-}
-
-
-std::string shellEscape(const std::string_view s)
-{
- std::string r;
- r.reserve(s.size() + 2);
- r += "'";
- for (auto & i : s)
- if (i == '\'') r += "'\\''"; else r += i;
- r += '\'';
- return r;
-}
void ignoreException(Verbosity lvl)
@@ -289,120 +180,6 @@ void ignoreException(Verbosity lvl)
} catch (...) { }
}
-constexpr char base64Chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-std::string base64Encode(std::string_view s)
-{
- std::string res;
- res.reserve((s.size() + 2) / 3 * 4);
- int data = 0, nbits = 0;
-
- for (char c : s) {
- data = data << 8 | (unsigned char) c;
- nbits += 8;
- while (nbits >= 6) {
- nbits -= 6;
- res.push_back(base64Chars[data >> nbits & 0x3f]);
- }
- }
-
- if (nbits) res.push_back(base64Chars[data << (6 - nbits) & 0x3f]);
- while (res.size() % 4) res.push_back('=');
-
- return res;
-}
-
-
-std::string base64Decode(std::string_view s)
-{
- constexpr char npos = -1;
- constexpr std::array<char, 256> base64DecodeChars = [&]() {
- std::array<char, 256> result{};
- for (auto& c : result)
- c = npos;
- for (int i = 0; i < 64; i++)
- result[base64Chars[i]] = i;
- return result;
- }();
-
- std::string res;
- // Some sequences are missing the padding consisting of up to two '='.
- // vvv
- res.reserve((s.size() + 2) / 4 * 3);
- unsigned int d = 0, bits = 0;
-
- for (char c : s) {
- if (c == '=') break;
- if (c == '\n') continue;
-
- char digit = base64DecodeChars[(unsigned char) c];
- if (digit == npos)
- throw Error("invalid character in Base64 string: '%c'", c);
-
- bits += 6;
- d = d << 6 | digit;
- if (bits >= 8) {
- res.push_back(d >> (bits - 8) & 0xff);
- bits -= 8;
- }
- }
-
- return res;
-}
-
-
-std::string stripIndentation(std::string_view s)
-{
- size_t minIndent = 10000;
- size_t curIndent = 0;
- bool atStartOfLine = true;
-
- for (auto & c : s) {
- if (atStartOfLine && c == ' ')
- curIndent++;
- else if (c == '\n') {
- if (atStartOfLine)
- minIndent = std::max(minIndent, curIndent);
- curIndent = 0;
- atStartOfLine = true;
- } else {
- if (atStartOfLine) {
- minIndent = std::min(minIndent, curIndent);
- atStartOfLine = false;
- }
- }
- }
-
- std::string res;
-
- size_t pos = 0;
- while (pos < s.size()) {
- auto eol = s.find('\n', pos);
- if (eol == s.npos) eol = s.size();
- if (eol - pos > minIndent)
- res.append(s.substr(pos + minIndent, eol - pos - minIndent));
- res.push_back('\n');
- pos = eol + 1;
- }
-
- return res;
-}
-
-
-std::pair<std::string_view, std::string_view> getLine(std::string_view s)
-{
- auto newline = s.find('\n');
-
- if (newline == s.npos) {
- return {s, ""};
- } else {
- auto line = s.substr(0, newline);
- if (!line.empty() && line[line.size() - 1] == '\r')
- line = line.substr(0, line.size() - 1);
- return {line, s.substr(newline + 1)};
- }
-}
-
//////////////////////////////////////////////////////////////////////
@@ -460,9 +237,4 @@ void unshareFilesystem()
}
-std::string showBytes(uint64_t bytes)
-{
- return fmt("%.2f MiB", bytes / (1024.0 * 1024.0));
-}
-
}
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