Reconstruct readable C++ and organize cohesive source subsystems

Administrative source import: native x86 compilation passed for 423 authored units. Source placement and submission states are migrated separately; this commit does not imply peer acceptance.

Previous head: 35d2a8cb36
Payload SHA256: 592f016d2730c5593bb653aa054c1e5f76a6df72c8f5a09e66f74876e2e33dee

Source/UI/Text/NavigationLink.cpp

@@ -0,0 +1,109 @@
+#include "UI/Text/NavigationLink.h"
+
+#include <cstdint>
+#include <cstdio>
+#include <cstring>
+
+// OFFSET: 0x00833160
+// FUNCTION: fn_10409
+int DecodeNavigationNumber(std::string value) {
+  constexpr char digits[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+  const std::size_t length = value.size();
+  std::uint32_t result = 0;
+
+  for (std::size_t index = 0; index < length; ++index) {
+    const char* digit = std::strchr(digits, value[index]);
+
+    if (!digit || *digit == '\0') {
+      continue;
+    }
+
+    std::uint32_t place = 1;
+
+    for (std::size_t exponent = index + 1; exponent < length; ++exponent) {
+      place *= 62;
+    }
+
+    result += static_cast<std::uint32_t>(digit - digits) * place;
+  }
+
+  return static_cast<int>(result);
+}
+
+// OFFSET: 0x00835890
+// FUNCTION: fn_10420
+bool ParseNavigationLink(std::string value, std::string& name, int& x, int& y) {
+  const auto end = value.find("</NAVIL>");
+
+  if (end == std::string::npos) {
+    return true;
+  }
+
+  const auto coordinates = end - 4;
+  const std::string tail = value.substr(coordinates);
+  x = DecodeNavigationNumber(tail.substr(0, 2));
+  y = DecodeNavigationNumber(tail.substr(2, 2));
+  const std::string head = value.substr(0, coordinates);
+  const auto begin = head.find("<NAVIL>");
+
+  if (begin != std::string::npos) {
+    name = head.substr(begin + 7);
+  }
+
+  return !name.empty();
+}
+
+// OFFSET: 0x00835600
+// FUNCTION: fn_10419
+std::string FormatNavigationLink(std::string value, bool brackets) {
+  std::string name;
+  int x = 0, y = 0;
+  ParseNavigationLink(value, name, x, y);
+  char text[128] = {};
+
+  if (x > 999 && y > 999) {
+    std::sprintf(text, brackets ? "<%s>" : "%s", name.c_str());
+  } else {
+    std::sprintf(text, brackets ? "<%s %d,%d>" : "%s %d,%d", name.c_str(), x, y);
+  }
+
+  return text;
+}
+
+// OFFSET: 0x00833550
+// FUNCTION: fn_10411
+void DisplayNavigationLink(std::string& output, std::string value) {
+  output = value;
+  const auto begin = value.find("<NAVIL>");
+
+  if (begin != std::string::npos) {
+    output.clear();
+    const std::string head = value.substr(0, begin);
+    const std::string tail = value.substr(begin);
+    const auto end = tail.find("</NAVIL>");
+
+    if (end != std::string::npos) {
+      const auto extent = end + 8;
+      const std::string rest = tail.substr(extent);
+      output = head;
+      output += FormatNavigationLink(tail.substr(0, extent), true);
+      output += rest;
+    }
+  }
+}
+
+// OFFSET: 0x00834980
+// FUNCTION: fn_10417
+void ExtractNavigationLink(std::string& output, std::string value) {
+  output = value;
+  const auto begin = value.find("<NAVIL>");
+
+  if (begin != std::string::npos) {
+    output = value.substr(begin);
+    const auto end = output.find("</NAVIL>");
+
+    if (end != std::string::npos) {
+      output.resize(end + 8);
+    }
+  }
+}