DevMgr: Implement a wrapper around the yacc parser.

This wrapper reads the -d <devfile> arguments, collates
them into one big string and then feeds them into yacc.

hcore/deviceManager/deviceSpecParser.cpp

@@ -4,43 +4,53 @@
 #include <string>
 #include <vector>
 #include <sstream>
-#include <utility>
-#include <deviceManager/deviceSpecParser.h>
+#include <memory>
+#include <cstdio>
+#include <deviceManager/deviceManager.h>
+#include "deviceSpecp.hh"
+#include "deviceSpecl.hh"
 
-std::vector<std::string> readDeviceFile(const std::string& filename)
+std::string DeviceManager::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);
+        throw std::runtime_error("Could not open file: " + filename);
     }
 
-    std::string line;
-    while (std::getline(file, line)) {
-        if (!line.empty()) {
-            deviceStrings.push_back(line);
-        }
-    }
+    std::string content(
+        (std::istreambuf_iterator<char>(file)),
+        std::istreambuf_iterator<char>());
 
-    return deviceStrings;
+    return content;
 }
 
-std::vector<std::pair<std::string, std::string>> parseDeviceSpecifiers(
-    const std::vector<std::string>& deviceStrings)
+void DeviceManager::collateAllDeviceSpecs(const OptionParser& options)
 {
-    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);
+    allDeviceSpecs = options.deviceSpecs;
+
+    for (const auto& file : options.deviceSpecFiles)
+    {
+        std::string fileContent = readDeviceFile(file);
+        if (!allDeviceSpecs.empty()) {
+            allDeviceSpecs += "||";
         }
+        allDeviceSpecs += fileContent;
+    }
+}
+
+void DeviceManager::parseAllDeviceSpecs(void)
+{
+    std::unique_ptr<FILE, decltype(&fclose)> input(
+        fmemopen((void*)allDeviceSpecs.c_str(),
+        allDeviceSpecs.size(), "r"),
+        &fclose);
+
+    if (!input) {
+        throw std::runtime_error("Failed to open memory as file");
+    }
+
+    deviceSpeclin = input.get();
+    if (deviceSpecpparse()) {
+        throw std::runtime_error("Failed to parse device specs");
     }
-    return deviceSpecifiers;
 }