1 files changed, 74 insertions, 0 deletions
diff --git a/src/wheel.c b/src/wheel.c
new file mode 100644
index 0000000..a4ddbff
--- /dev/null
+++ b/src/wheel.c
@@ -0,0 +1,74 @@
+#include "wheel.h"
+
+struct Wheel *get_wheel_file(const char *basepath, const char *name, char *to_match[]) {
+    DIR *dp;
+    struct dirent *rec;
+    struct Wheel *result = NULL;
+    char package_path[PATH_MAX];
+    char package_name[NAME_MAX];
+
+    strcpy(package_name, name);
+    tolower_s(package_name);
+    sprintf(package_path, "%s/%s", basepath, package_name);
+
+    dp = opendir(package_path);
+    if (!dp) {
+        return NULL;
+    }
+
+    while ((rec = readdir(dp)) != NULL) {
+        if (!strcmp(rec->d_name, ".") || !strcmp(rec->d_name, "..")) {
+            continue;
+        }
+        char filename[NAME_MAX];
+        strcpy(filename, rec->d_name);
+        char *ext = strstr(filename, ".whl");
+        if (ext) {
+            *ext = '\0';
+        } else {
+            // not a wheel file. nothing to do
+            continue;
+        }
+
+        size_t match = 0;
+        size_t pattern_count = 0;
+        for (; to_match[pattern_count] != NULL; pattern_count++) {
+            if (strstr(filename, to_match[pattern_count])) {
+                match++;
+            }
+        }
+
+        if (!startswith(rec->d_name, name) || match != pattern_count) {
+            continue;
+        }
+
+        result = calloc(1, sizeof(*result));
+        result->path_name = realpath(package_path, NULL);
+        result->file_name = strdup(rec->d_name);
+
+        size_t parts_total;
+        char **parts = split(filename, "-", 0);
+        for (parts_total = 0; parts[parts_total] != NULL; parts_total++);
+        if (parts_total < 6) {
+            // no build tag
+            result->distribution = strdup(parts[0]);
+            result->version = strdup(parts[1]);
+            result->build_tag = NULL;
+            result->python_tag = strdup(parts[2]);
+            result->abi_tag = strdup(parts[3]);
+            result->platform_tag = strdup(parts[4]);
+        } else {
+            // has build tag
+            result->distribution = strdup(parts[0]);
+            result->version = strdup(parts[1]);
+            result->build_tag = strdup(parts[2]);
+            result->python_tag = strdup(parts[3]);
+            result->abi_tag = strdup(parts[4]);
+            result->platform_tag = strdup(parts[5]);
+        }
+        split_free(parts);
+        break;
+    }
+    closedir(dp);
+    return result;
+}