From 9d72c50f34e9eac3ee8295ae642b0297e49b8cbb Mon Sep 17 00:00:00 2001
From: Nathan Fisher <nfisher.sr@gmail.com>
Date: Sat, 10 Feb 2024 01:50:01 -0500
Subject: [PATCH] Add `versionToString` function

---
 semver.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 91 insertions(+), 4 deletions(-)

diff --git a/semver.c b/semver.c
index 40f5d24..33e7025 100644
--- a/semver.c
+++ b/semver.c
@@ -1,4 +1,8 @@
 #include "semver.h"
+#include "epoch.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
 
 u128 u128FromVersion(Version *self) {
     u128         out = 0;
@@ -28,8 +32,6 @@ u128 u128FromVersion(Version *self) {
             build = (uint64_t)self->vk_data.extended.build << 16;
             out = (u128)(major | minor | patch | build) << 64;
             break;
-        default:
-            break;
     }
     switch (self->pr_tag) {
         case Alpha:
@@ -55,8 +57,6 @@ u128 u128FromVersion(Version *self) {
         case PRNone:
             out |= ((u128)0100000 << 64);
             break;
-        default:
-            break;
     }
     return out;
 }
@@ -78,3 +78,90 @@ Comparison compareVersion(Version *self, Version *other) {
         return CompNone;
 }
 
+char *archToString(Arch self) {
+    switch (self) {
+        case any:       return "any";
+        case arm:       return "arm";
+        case arm64:     return "aarch64";
+        case loongson:  return "loongson";
+        case mips32:    return "mips32";
+        case mips64:    return "mips64";
+        case powerepc:  return "ppc";
+        case powerpc64: return "ppc64";
+        case riscv64:   return "riscv64";
+        case s390x:     return "s390x";
+        case sparc:     return "sparc";
+        case sparc64:   return "sparc64";
+        case x86:       return "x86";
+        case x86_64:    return "x86_64";
+    }
+    return NULL;
+}
+
+char *versionToString(Version *self) {
+    char *buf, *temp;
+
+    buf = calloc(75, sizeof(char));
+    if (buf == NULL) return NULL;
+    temp = calloc(50, sizeof(char));
+    if (temp == NULL) {
+        free(buf);
+        return NULL;
+    }
+    switch (self->vk_tag) {
+        case Simple:
+            snprintf(buf, 6, "%d", self->vk_data.simple.major);
+            break;
+        case Rapid:
+            snprintf(buf, 13, "%d.%d", self->vk_data.rapid.major, self->vk_data.rapid.minor);
+            break;
+        case SemVer:
+            snprintf(
+                buf, 20, "%d.%d.%d",
+                self->vk_data.semver.major,
+                self->vk_data.semver.minor,
+                self->vk_data.semver.patch
+            );
+            break;
+        case Extended:
+            snprintf(
+                buf, 27, "%d.%d.%d.%d",
+                self->vk_data.extended.major,
+                self->vk_data.extended.minor,
+                self->vk_data.extended.patch,
+                self->vk_data.extended.build
+            );
+            break;
+    }
+    switch (self->pr_tag) {
+        case PRNone:
+            snprintf(temp, 9, "-%s", archToString(self->arch));
+            break;
+        case Alpha:
+            snprintf(temp, 25, "_alpha%d-%s", self->pr_data.alpha, archToString(self->arch));
+            break;
+        case Beta:
+            snprintf(temp, 25, "_beta%d-%s", self->pr_data.beta, archToString(self->arch));
+            break;
+        case ReleaseCandidate:
+            snprintf(temp, 25, "_rc%d-%s", self->pr_data.rc, archToString(self->arch));
+            break;
+        case GitRev:
+            snprintf(
+                temp, 30, "_git_%c%c%c%c%c%c%c.%li-%s",
+                self->pr_data.git->hash[0],
+                self->pr_data.git->hash[1],
+                self->pr_data.git->hash[2],
+                self->pr_data.git->hash[3],
+                self->pr_data.git->hash[4],
+                self->pr_data.git->hash[5],
+                self->pr_data.git->hash[6],
+                dateTimeGetTimestamp(&self->pr_data.git->dt),
+                archToString(self->arch)
+            );
+    }
+    strncat(buf, temp, 50);
+    free(temp);
+    return buf;
+}
+