First crack at file objects.

1 files changed, 30 insertions, 0 deletions

diff --git a/source/fud_string.cpp b/source/fud_string.cpp
index 048cc94..c444a74 100644
--- a/source/fud_string.cpp
+++ b/source/fud_string.cpp
@@ -84,6 +84,32 @@ StringResult String::from(const String& rhs)
     return StringResult::okay(std::move(output));
 }
 
+StringResult String::from(StringView view, Allocator* allocator)
+{
+    if (allocator == nullptr || view.m_data == nullptr) {
+        return StringResult::error(FudStatus::NullPointer);
+    }
+
+    String output{};
+    output.m_allocator = allocator;
+    output.m_length = view.m_length;
+
+    if (output.m_length >= output.m_capacity) {
+        output.m_capacity = output.m_length + 1;
+
+        output.m_data = static_cast<utf8*>(M_TakeOrReturn(output.m_allocator->allocate(output.m_capacity)));
+        fudAssert(output.m_data != nullptr);
+    }
+
+    auto copyStatus = copyMem(output.data(), output.m_capacity, view.m_data, output.m_length);
+    fudAssert(copyStatus == FudStatus::Success);
+
+    auto terminateStatus = output.nullTerminate();
+    fudAssert(terminateStatus == FudStatus::Success);
+
+    return StringResult::okay(std::move(output));
+}
+
 String::String(String&& rhs) noexcept : m_length{rhs.m_length}, m_capacity{rhs.m_capacity}, m_allocator{rhs.m_allocator}
 {
     if (rhs.isLarge()) {
@@ -131,6 +157,10 @@ FudStatus String::copy(const String& rhs)
 
 String& String::operator=(String&& rhs) noexcept
 {
+    if (&rhs == this) {
+        return *this;
+    }
+
     cleanup();
 
     m_length = rhs.m_length;