add bed cooler project.

2026-06-28 13:15:53 -05:00
commit 0f2a03044c
46 changed files with 3597 additions and 0 deletions
--- a/src/util/json_utils.cpp
+++ b/src/util/json_utils.cpp
@@ -0,0 +1,106 @@
+#include "app.h"
+
+static int findJsonKey(const String &json, const char *key) {
+  String needle = "\"" + String(key) + "\"";
+  int p = json.indexOf(needle);
+  if (p < 0) return -1;
+  p = json.indexOf(':', p + needle.length());
+  return p < 0 ? -1 : p + 1;
+}
+
+String jsonEscape(const String &s) {
+  String out;
+  out.reserve(s.length() + 8);
+  for (size_t i = 0; i < s.length(); i++) {
+    char c = s[i];
+    if (c == '"' || c == '\\') {
+      out += '\\';
+      out += c;
+    } else if (c == '\n') {
+      out += "\\n";
+    } else if (c == '\r') {
+      out += "\\r";
+    } else {
+      out += c;
+    }
+  }
+  return out;
+}
+
+String jsonOk(const String &payload) {
+  return String("{\"success\":true") + (payload.length() ? "," + payload : "") + "}";
+}
+
+String jsonError(const String &message) {
+  return "{\"success\":false,\"error\":\"" + jsonEscape(message) + "\"}";
+}
+
+void sendJson(int code, const String &body) {
+  server.sendHeader("Cache-Control", "no-store");
+  server.send(code, "application/json", body);
+}
+
+String requestBody() {
+  return server.hasArg("plain") ? server.arg("plain") : "";
+}
+
+String jsonStringValue(const String &json, const char *key, const String &fallback) {
+  int p = findJsonKey(json, key);
+  if (p < 0) return fallback;
+  while (p < (int)json.length() && isspace(json[p])) p++;
+  if (p >= (int)json.length() || json[p] != '"') return fallback;
+  p++;
+  String out;
+  bool esc = false;
+  for (; p < (int)json.length(); p++) {
+    char c = json[p];
+    if (esc) {
+      out += c == 'n' ? '\n' : c == 'r' ? '\r' : c;
+      esc = false;
+    } else if (c == '\\') {
+      esc = true;
+    } else if (c == '"') {
+      return out;
+    } else {
+      out += c;
+    }
+  }
+  return fallback;
+}
+
+int jsonIntValue(const String &json, const char *key, int fallback) {
+  int p = findJsonKey(json, key);
+  if (p < 0) return fallback;
+  while (p < (int)json.length() && isspace(json[p])) p++;
+  return json.substring(p).toInt();
+}
+
+bool jsonBoolValue(const String &json, const char *key, bool fallback) {
+  int p = findJsonKey(json, key);
+  if (p < 0) return fallback;
+  while (p < (int)json.length() && isspace(json[p])) p++;
+  if (json.substring(p, p + 4) == "true") return true;
+  if (json.substring(p, p + 5) == "false") return false;
+  return fallback;
+}
+
+String jsonRolesValue(const String &json, const char *key, const String &fallback) {
+  int p = findJsonKey(json, key);
+  if (p < 0) return fallback;
+  while (p < (int)json.length() && isspace(json[p])) p++;
+  if (json[p] == '"') return jsonStringValue(json, key, fallback);
+  if (json[p] != '[') return fallback;
+  String roles;
+  p++;
+  while (p < (int)json.length() && json[p] != ']') {
+    while (p < (int)json.length() && json[p] != '"' && json[p] != ']') p++;
+    if (p >= (int)json.length() || json[p] == ']') break;
+    p++;
+    String role;
+    while (p < (int)json.length() && json[p] != '"') role += json[p++];
+    if (roles.length()) roles += "|";
+    roles += role;
+    p++;
+  }
+  return roles.length() ? roles : fallback;
+}