DeviceManager: Initial class with DeviceSpecParser

Hopefully by the end of tonight we should be done with the dev
spec parser.

hcore/deviceManager/deviceSpecParser.cpp

@@ -0,0 +1,46 @@
+#include <iostream>
+#include <fstream>
+#include <stdexcept>
+#include <string>
+#include <vector>
+#include <sstream>
+#include <utility>
+#include <deviceManager/deviceSpecParser.h>
+
+std::vector<std::string> readDeviceFile(const std::string& filename)
+{
+    std::vector<std::string> deviceStrings;
+std::cerr <<"Here in readDeviceFile" << std::endl;
+    std::ifstream file(filename);
+std::cerr <<"Here in readDeviceFile after opening ifstream" << std::endl;
+    if (!file.is_open()) {
+        throw std::runtime_error("Could not open device file: " + filename);
+    }
+
+    std::string line;
+    while (std::getline(file, line)) {
+        if (!line.empty()) {
+            deviceStrings.push_back(line);
+        }
+    }
+
+    return deviceStrings;
+}
+
+std::vector<std::pair<std::string, std::string>> parseDeviceSpecifiers(
+    const std::vector<std::string>& deviceStrings)
+{
+    std::vector<std::pair<std::string, std::string>> deviceSpecifiers;
+    for (const auto& deviceString : deviceStrings) {
+        auto pos = deviceString.find(':');
+        if (pos != std::string::npos) {
+            std::string deviceName = deviceString.substr(0, pos);
+            std::string deviceSpec = deviceString.substr(pos + 1);
+            deviceSpecifiers.emplace_back(deviceName, deviceSpec);
+        } else {
+            throw std::invalid_argument("Invalid device specifier: " + 
+                                        deviceString);
+        }
+    }
+    return deviceSpecifiers;
+}