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-rw-r--r--src/libexpr/names.cc107
1 files changed, 0 insertions, 107 deletions
diff --git a/src/libexpr/names.cc b/src/libexpr/names.cc
deleted file mode 100644
index d1c8a6101..000000000
--- a/src/libexpr/names.cc
+++ /dev/null
@@ -1,107 +0,0 @@
-#include "names.hh"
-#include "util.hh"
-
-
-namespace nix {
-
-
-DrvName::DrvName()
-{
- name = "";
-}
-
-
-/* Parse a derivation name. The `name' part of a derivation name is
- everything up to but not including the first dash *not* followed by
- a letter. The `version' part is the rest (excluding the separating
- dash). E.g., `apache-httpd-2.0.48' is parsed to (`apache-httpd',
- '2.0.48'). */
-DrvName::DrvName(std::string_view s) : hits(0)
-{
- name = fullName = std::string(s);
- for (unsigned int i = 0; i < s.size(); ++i) {
- /* !!! isalpha/isdigit are affected by the locale. */
- if (s[i] == '-' && i + 1 < s.size() && !isalpha(s[i + 1])) {
- name = s.substr(0, i);
- version = s.substr(i + 1);
- break;
- }
- }
-}
-
-
-bool DrvName::matches(DrvName & n)
-{
- if (name != "*") {
- if (!regex) regex = std::unique_ptr<std::regex>(new std::regex(name, std::regex::extended));
- if (!std::regex_match(n.name, *regex)) return false;
- }
- if (version != "" && version != n.version) return false;
- return true;
-}
-
-
-string nextComponent(string::const_iterator & p,
- const string::const_iterator end)
-{
- /* Skip any dots and dashes (component separators). */
- while (p != end && (*p == '.' || *p == '-')) ++p;
-
- if (p == end) return "";
-
- /* If the first character is a digit, consume the longest sequence
- of digits. Otherwise, consume the longest sequence of
- non-digit, non-separator characters. */
- string s;
- if (isdigit(*p))
- while (p != end && isdigit(*p)) s += *p++;
- else
- while (p != end && (!isdigit(*p) && *p != '.' && *p != '-'))
- s += *p++;
-
- return s;
-}
-
-
-static bool componentsLT(const string & c1, const string & c2)
-{
- int n1, n2;
- bool c1Num = string2Int(c1, n1), c2Num = string2Int(c2, n2);
-
- if (c1Num && c2Num) return n1 < n2;
- else if (c1 == "" && c2Num) return true;
- else if (c1 == "pre" && c2 != "pre") return true;
- else if (c2 == "pre") return false;
- /* Assume that `2.3a' < `2.3.1'. */
- else if (c2Num) return true;
- else if (c1Num) return false;
- else return c1 < c2;
-}
-
-
-int compareVersions(const string & v1, const string & v2)
-{
- string::const_iterator p1 = v1.begin();
- string::const_iterator p2 = v2.begin();
-
- while (p1 != v1.end() || p2 != v2.end()) {
- string c1 = nextComponent(p1, v1.end());
- string c2 = nextComponent(p2, v2.end());
- if (componentsLT(c1, c2)) return -1;
- else if (componentsLT(c2, c1)) return 1;
- }
-
- return 0;
-}
-
-
-DrvNames drvNamesFromArgs(const Strings & opArgs)
-{
- DrvNames result;
- for (auto & i : opArgs)
- result.push_back(DrvName(i));
- return result;
-}
-
-
-}