1 files changed, 155 insertions, 0 deletions
diff --git a/python/openvino/runtime/common/demo_utils/src/args_helper.cpp b/python/openvino/runtime/common/demo_utils/src/args_helper.cpp
new file mode 100644
index 0000000..8f4bc35
--- /dev/null
+++ b/python/openvino/runtime/common/demo_utils/src/args_helper.cpp
@@ -0,0 +1,155 @@
+// Copyright (C) 2018-2022 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include "utils/args_helper.hpp"
+#include "utils/slog.hpp"
+
+#ifdef _WIN32
+#include "w_dirent.hpp"
+#else
+#include <dirent.h>
+#endif
+
+#include <gflags/gflags.h>
+
+#include <sys/stat.h>
+#include <map>
+
+#include <algorithm>
+#include <cctype>
+#include <sstream>
+
+void readInputFilesArguments(std::vector<std::string>& files, const std::string& arg) {
+    struct stat sb;
+    if (stat(arg.c_str(), &sb) != 0) {
+        if (arg.compare(0, 5, "rtsp:") != 0) {
+            slog::warn << "File " << arg << " cannot be opened!" << slog::endl;
+            return;
+        }
+    }
+    if (S_ISDIR(sb.st_mode)) {
+        DIR *dp;
+        dp = opendir(arg.c_str());
+        if (dp == nullptr) {
+            slog::warn << "Directory " << arg << " cannot be opened!" << slog::endl;
+            return;
+        }
+
+        struct dirent *ep;
+        while (nullptr != (ep = readdir(dp))) {
+            std::string fileName = ep->d_name;
+            if (fileName == "." || fileName == "..") continue;
+            files.push_back(arg + "/" + ep->d_name);
+        }
+        closedir(dp);
+    } else {
+        files.push_back(arg);
+    }
+}
+
+void parseInputFilesArguments(std::vector<std::string>& files) {
+    std::vector<std::string> args = gflags::GetArgvs();
+    bool readArguments = false;
+    for (size_t i = 0; i < args.size(); i++) {
+        if (args.at(i) == "-i" || args.at(i) == "--i") {
+            readArguments = true;
+            continue;
+        }
+        if (!readArguments) {
+            continue;
+        }
+        if (args.at(i).c_str()[0] == '-') {
+            break;
+        }
+        readInputFilesArguments(files, args.at(i));
+    }
+}
+
+std::vector<std::string> split(const std::string& s, char delim) {
+    std::vector<std::string> result;
+    std::stringstream ss(s);
+    std::string item;
+
+    while (getline(ss, item, delim)) {
+        result.push_back(item);
+    }
+    return result;
+}
+
+std::vector<std::string> parseDevices(const std::string& device_string) {
+    const std::string::size_type colon_position = device_string.find(":");
+    if (colon_position != std::string::npos) {
+        std::string device_type = device_string.substr(0, colon_position);
+        if (device_type == "HETERO" || device_type == "MULTI") {
+            std::string comma_separated_devices = device_string.substr(colon_position + 1);
+            std::vector<std::string> devices = split(comma_separated_devices, ',');
+            for (auto& device : devices)
+                device = device.substr(0, device.find("("));
+            return devices;
+        }
+    }
+    return {device_string};
+}
+
+// Format: <device1>:<value1>,<device2>:<value2> or just <value>
+std::map<std::string, int32_t> parseValuePerDevice(const std::set<std::string>& devices,
+                                                   const std::string& values_string) {
+    auto values_string_upper = values_string;
+    std::transform(values_string_upper.begin(),
+                   values_string_upper.end(),
+                   values_string_upper.begin(),
+                   [](unsigned char c){ return std::toupper(c); });
+    std::map<std::string, int32_t> result;
+    auto device_value_strings = split(values_string_upper, ',');
+    for (auto& device_value_string : device_value_strings) {
+        auto device_value_vec =  split(device_value_string, ':');
+        if (device_value_vec.size() == 2) {
+            auto it = std::find(devices.begin(), devices.end(), device_value_vec.at(0));
+            if (it != devices.end()) {
+                result[device_value_vec.at(0)] = std::stoi(device_value_vec.at(1));
+            }
+        } else if (device_value_vec.size() == 1) {
+            uint32_t value = std::stoi(device_value_vec.at(0));
+            for (const auto& device : devices) {
+                result[device] = value;
+            }
+        } else if (device_value_vec.size() != 0) {
+            throw std::runtime_error("Unknown string format: " + values_string);
+        }
+    }
+    return result;
+}
+
+cv::Size stringToSize(const std::string& str) {
+    std::vector<std::string> strings = split(str, 'x');
+    if (strings.size() != 2) {
+        throw std::invalid_argument("Can't convert std::string to cv::Size. The string must contain exactly one x");
+    }
+    return {std::stoi(strings[0]), std::stoi(strings[1])};
+}
+
+std::map<std::string, ov::Layout> parseLayoutString(const std::string& layout_string) {
+    // Parse parameter string like "input0:NCHW,input1:NC" or "NCHW" (applied to all
+    // inputs)
+    std::map<std::string, ov::Layout> layouts;
+    std::string searchStr = (layout_string.find_last_of(':') == std::string::npos && !layout_string.empty() ?
+        ":" : "") + layout_string;
+    auto colonPos = searchStr.find_last_of(':');
+    while (colonPos != std::string::npos) {
+        auto startPos = searchStr.find_last_of(',');
+        auto inputName = searchStr.substr(startPos + 1, colonPos - startPos - 1);
+        auto inputLayout = searchStr.substr(colonPos + 1);
+        layouts[inputName] = ov::Layout(inputLayout);
+        searchStr = searchStr.substr(0, startPos + 1);
+        if (searchStr.empty() || searchStr.back() != ',') {
+            break;
+        }
+        searchStr.pop_back();
+        colonPos = searchStr.find_last_of(':');
+    }
+    if (!searchStr.empty()) {
+        throw std::invalid_argument("Can't parse input layout string: " + layout_string);
+    }
+    return layouts;
+}