Sprint 32: end-of-sprint architecture refactor pass

editor/src/IntakeTextUtil.h

@@ -0,0 +1,48 @@
+#pragma once
+// Sprint 32 refactor: shared intake text normalization helpers
+
+#include <algorithm>
+#include <cctype>
+#include <string>
+
+inline std::string intakeToLower(const std::string& value) {
+    std::string out = value;
+    std::transform(out.begin(), out.end(), out.begin(), [](unsigned char c) {
+        return static_cast<char>(std::tolower(c));
+    });
+    return out;
+}
+
+inline std::string intakeCompactLowerAlnumSpaces(const std::string& text) {
+    std::string out;
+    bool lastSpace = false;
+    for (char c : text) {
+        if (std::isalnum(static_cast<unsigned char>(c))) {
+            out.push_back(static_cast<char>(std::tolower(static_cast<unsigned char>(c))));
+            lastSpace = false;
+        } else if (!lastSpace) {
+            out.push_back(' ');
+            lastSpace = true;
+        }
+    }
+    while (!out.empty() && out.front() == ' ') out.erase(out.begin());
+    while (!out.empty() && out.back() == ' ') out.pop_back();
+    return out;
+}
+
+inline std::string intakeSanitizeToken(const std::string& text, char separator) {
+    std::string out;
+    bool lastSep = false;
+    for (char c : intakeToLower(text)) {
+        if (std::isalnum(static_cast<unsigned char>(c))) {
+            out.push_back(c);
+            lastSep = false;
+        } else if (!lastSep) {
+            out.push_back(separator);
+            lastSep = true;
+        }
+    }
+    while (!out.empty() && out.front() == separator) out.erase(out.begin());
+    while (!out.empty() && out.back() == separator) out.pop_back();
+    return out;
+}