* Add autocomplete base.

DiscordMessenger · Jun 4, 2024 · 235b0f8 · 235b0f8
1 parent 14f1bfc
commit 235b0f8
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Showing 5 changed files with 442 additions and 9 deletions.
diff --git a/src/discord/Util.cpp b/src/discord/Util.cpp
@@ -151,6 +151,35 @@ int StringCompareCaseInsens(const char* s1, const char* s2)
 	return tolower(*s1) - tolower(*s2);
 }
 
+int StringCompareCaseInsensLimited(const char* s1, const char* s2, size_t n)
+{
+	while (n > 0 && tolower(*s1) == tolower(*s2)) {
+		n--;
+		if (*s1 == '\0') break;
+		s1++, s2++;
+	}
+
+	if (n == 0)
+		return 0;
+	return tolower(*s1) - tolower(*s2);
+}
+
+bool BeginsWith(const std::string& what, const std::string& with)
+{
+	if (what.size() < with.size())
+		return false;
+
+	return strncmp(what.c_str(), with.c_str(), with.size());
+}
+
+bool BeginsWithCaseInsens(const std::string& what, const std::string& with)
+{
+	if (what.size() < with.size())
+		return false;
+
+	return StringCompareCaseInsensLimited(what.c_str(), with.c_str(), with.size()) == 0;
+}
+
 bool EndsWith(const std::string& what, const std::string& with)
 {
 	if (what.size() < with.size())

diff --git a/src/discord/Util.hpp b/src/discord/Util.hpp
@@ -18,6 +18,9 @@ std::string LoadEntireTextFile(const std::string& fileName);
 std::string HttpEncodeString(std::string str);
 std::string GetSizeString(size_t sz);
 int StringCompareCaseInsens(const char* s1, const char* s2);
+int StringCompareCaseInsensLimited(const char* s1, const char* s2, size_t n);
+bool BeginsWith(const std::string& what, const std::string& with);
+bool BeginsWithCaseInsens(const std::string& what, const std::string& with);
 bool EndsWith(const std::string& what, const std::string& with);
 bool EndsWithCaseInsens(const std::string& what, const std::string& with);
 bool IsPotentiallyDangerousDownload(const std::string& filename);