1 files changed, 179 insertions, 0 deletions
diff --git a/src/mmo/extract.cpp b/src/mmo/extract.cpp
index a480984..9123237 100644
--- a/src/mmo/extract.cpp
+++ b/src/mmo/extract.cpp
@@ -30,6 +30,9 @@
 #include "../poison.hpp"
 
 
+// TODO move this whole file to io/ or something.
+// It needs to be lower in the include hierarchy so it can be implemented
+// for library types. Also it should pass an io::LineSpan around.
 namespace tmwa
 {
 bool extract(XString str, XString *rv)
@@ -38,6 +41,12 @@ bool extract(XString str, XString *rv)
     return true;
 }
 
+bool extract(XString str, RString *rv)
+{
+    *rv = str;
+    return true;
+}
+
 bool extract(XString str, AString *rv)
 {
     *rv = str;
@@ -98,4 +107,174 @@ bool extract(XString str, CharName *out)
     }
     return false;
 }
+
+bool extract(XString str, std::chrono::nanoseconds *ns)
+{
+    std::chrono::nanoseconds::rep rep;
+    if (extract(str, &rep))
+    {
+        *ns = std::chrono::nanoseconds(rep);
+        return true;
+    }
+    if (str.endswith("ns"_s))
+    {
+        if (extract(str.xrslice_h("ns"_s.size()), &rep))
+        {
+            *ns = std::chrono::nanoseconds(rep);
+            return true;
+        }
+        return false;
+    }
+    std::chrono::microseconds bigger;
+    if (extract(str, &bigger))
+    {
+        *ns = bigger;
+        return *ns == bigger;
+    }
+    return false;
+}
+bool extract(XString str, std::chrono::microseconds *us)
+{
+    std::chrono::microseconds::rep rep;
+    if (extract(str, &rep))
+    {
+        *us = std::chrono::microseconds(rep);
+        return true;
+    }
+    if (str.endswith("us"_s))
+    {
+        if (extract(str.xrslice_h("us"_s.size()), &rep))
+        {
+            *us = std::chrono::microseconds(rep);
+            return true;
+        }
+        return false;
+    }
+    std::chrono::milliseconds bigger;
+    if (extract(str, &bigger))
+    {
+        *us = bigger;
+        return *us == bigger;
+    }
+    return false;
+}
+bool extract(XString str, std::chrono::milliseconds *ms)
+{
+    std::chrono::milliseconds::rep rep;
+    if (extract(str, &rep))
+    {
+        *ms = std::chrono::milliseconds(rep);
+        return true;
+    }
+    if (str.endswith("ms"_s))
+    {
+        if (extract(str.xrslice_h("ms"_s.size()), &rep))
+        {
+            *ms = std::chrono::milliseconds(rep);
+            return true;
+        }
+        return false;
+    }
+    std::chrono::seconds bigger;
+    if (extract(str, &bigger))
+    {
+        *ms = bigger;
+        return *ms == bigger;
+    }
+    return false;
+}
+bool extract(XString str, std::chrono::seconds *s)
+{
+    std::chrono::seconds::rep rep;
+    if (extract(str, &rep))
+    {
+        *s = std::chrono::seconds(rep);
+        return true;
+    }
+    if (str.endswith("s"_s))
+    {
+        if (extract(str.xrslice_h("s"_s.size()), &rep))
+        {
+            *s = std::chrono::seconds(rep);
+            return true;
+        }
+        return false;
+    }
+    std::chrono::minutes bigger;
+    if (extract(str, &bigger))
+    {
+        *s = bigger;
+        return *s == bigger;
+    }
+    return false;
+}
+bool extract(XString str, std::chrono::minutes *min)
+{
+    std::chrono::minutes::rep rep;
+    if (extract(str, &rep))
+    {
+        *min = std::chrono::minutes(rep);
+        return true;
+    }
+    if (str.endswith("min"_s))
+    {
+        if (extract(str.xrslice_h("min"_s.size()), &rep))
+        {
+            *min = std::chrono::minutes(rep);
+            return true;
+        }
+        return false;
+    }
+    std::chrono::hours bigger;
+    if (extract(str, &bigger))
+    {
+        *min = bigger;
+        return *min == bigger;
+    }
+    return false;
+}
+bool extract(XString str, std::chrono::hours *h)
+{
+    std::chrono::hours::rep rep;
+    if (extract(str, &rep))
+    {
+        *h = std::chrono::hours(rep);
+        return true;
+    }
+    if (str.endswith("h"_s))
+    {
+        if (extract(str.xrslice_h("h"_s.size()), &rep))
+        {
+            *h = std::chrono::hours(rep);
+            return true;
+        }
+        return false;
+    }
+    std::chrono::duration<int, std::ratio<60*60*24>> bigger;
+    if (extract(str, &bigger))
+    {
+        *h = bigger;
+        return *h == bigger;
+    }
+    return false;
+}
+bool extract(XString str, std::chrono::duration<int, std::ratio<60*60*24>> *d)
+{
+    std::chrono::duration<int, std::ratio<60*60*24>>::rep rep;
+    if (extract(str, &rep))
+    {
+        *d = std::chrono::duration<int, std::ratio<60*60*24>>(rep);
+        return true;
+    }
+    if (str.endswith("d"_s))
+    {
+        if (extract(str.xrslice_h("d"_s.size()), &rep))
+        {
+            *d = std::chrono::duration<int, std::ratio<60*60*24>>(rep);
+            return true;
+        }
+        return false;
+    }
+    return false;
+}
 } // namespace tmwa