Added loading of project file and file validations

Next up: parse project.conf file

3 files changed, 150 insertions, 0 deletions

diff --git a/src/Conf.cpp b/src/Conf.cpp
new file mode 100644
index 0000000..d535c60
--- /dev/null
+++ b/src/Conf.cpp
@@ -0,0 +1,18 @@
+#include "../include/Conf.hpp"
+#include "../include/FileUtil.hpp"
+
+using namespace std;
+
+namespace sibs
+{
+    Result<string> readConf(const char *filepath)
+    {
+        Result<string> fileContentResult = getFileContent(filepath);
+        if(fileContentResult.isErr())
+            return fileContentResult;
+
+        string configData;
+        printf("file content:\n%s\n", fileContentResult.unwrap().c_str());
+        return Result<string>::Ok(std::move(configData));
+    }
+}
\ No newline at end of file
diff --git a/src/FileUtil.cpp b/src/FileUtil.cpp
new file mode 100644
index 0000000..511a324
--- /dev/null
+++ b/src/FileUtil.cpp
@@ -0,0 +1,56 @@
+#include "../include/FileUtil.hpp"
+#include <cstdio>
+
+using namespace std;
+
+namespace sibs
+{
+    FileType getFileType(const char *path)
+    {
+        tinydir_file file;
+        if(tinydir_file_open(&file, path) == 0)
+        {
+            return file.is_dir ? FileType::DIRECTORY : FileType::REGULAR;
+        }
+        else
+        {
+            return FileType::FILE_NOT_FOUND;
+        }
+    }
+
+    void walkDirectory(const char *directory, FileWalkCallbackFunc callbackFunc)
+    {
+        tinydir_dir dir;
+        tinydir_open(&dir, directory);
+
+        while (dir.has_next)
+        {
+            tinydir_file file;
+            tinydir_readfile(&dir, &file);
+            callbackFunc(&file);
+            tinydir_next(&dir);
+        }
+
+        tinydir_close(&dir);
+    }
+
+    Result<string> getFileContent(const char *filepath)
+    {
+        FILE *file = fopen(filepath, "rb");
+        if(!file || errno != 0)
+        {
+            perror(filepath);
+            return Result<string>::Err("Failed to open file");
+        }
+
+        fseek(file, 0, SEEK_END);
+        size_t fileSize = ftell(file);
+        fseek(file, 0, SEEK_SET);
+
+        string result;
+        result.resize(fileSize);
+        fread(&result[0], 1, fileSize, file);
+        fclose(file);
+        return Result<string>::Ok(std::move(result));
+    }
+}
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..d49ae1f
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,76 @@
+#include <cstdio>
+#include "../include/FileUtil.hpp"
+#include "../include/Conf.hpp"
+#include <string>
+
+using namespace std;
+using namespace sibs;
+
+void usage()
+{
+    printf("Simple build system for native languages\n");
+    printf("usage:\n");
+    printf("    sibs <project path>\n");
+    printf("option:\n");
+    printf("    project path: Path containing project.conf\n");
+    printf("examples:\n");
+    printf("    sibs myProject");
+    exit(1);
+}
+
+void validateProjectPath(const char *projectPath)
+{
+    FileType projectPathFileType = getFileType(projectPath);
+    if(projectPathFileType == FileType::FILE_NOT_FOUND)
+    {
+        perror(projectPath);
+        exit(2);
+    }
+    else if(projectPathFileType == FileType::REGULAR)
+    {
+        printf("Expected project path (%s) to be a directory, was a file", projectPath);
+        exit(3);
+    }
+}
+
+void validateProjectConfPath(const char *projectConfPath)
+{
+    FileType projectConfFileType = getFileType(projectConfPath);
+    if(projectConfFileType == FileType::FILE_NOT_FOUND)
+    {
+        perror(projectConfPath);
+        exit(4);
+    }
+    else if(projectConfFileType == FileType::DIRECTORY)
+    {
+        printf("Expected project conf (%s) to be a directory, was a file", projectConfPath);
+        exit(5);
+    }
+}
+
+
+int main(int argc, const char **argv)
+{
+    if(argc != 2)
+        usage();
+
+    const char *projectPath = argv[1];
+    validateProjectPath(projectPath);
+
+    string projectConfFilePath = projectPath;
+    projectConfFilePath += "/project.conf";
+    validateProjectConfPath(projectConfFilePath.c_str());
+
+    auto result = readConf(projectConfFilePath.c_str());
+    if(result.isOk())
+    {
+
+    }
+    else
+    {
+        printf("Failed to read config: %s\n", result.getErrMsg());
+        exit(6);
+    }
+
+    return 0;
+}
\ No newline at end of file