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-rw-r--r--lib/diameter/doc/src/diameter_make.xml94
1 files changed, 83 insertions, 11 deletions
diff --git a/lib/diameter/doc/src/diameter_make.xml b/lib/diameter/doc/src/diameter_make.xml
index c9023fd8fb..e1673378df 100644
--- a/lib/diameter/doc/src/diameter_make.xml
+++ b/lib/diameter/doc/src/diameter_make.xml
@@ -1,5 +1,7 @@
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE erlref SYSTEM "erlref.dtd" [
+ <!ENTITY compile_forms2
+ '<seealso marker="compiler:compile#forms-2">compile:forms/2</seealso>'>
<!ENTITY filename
'<seealso marker="kernel:file#type-name">file:name()</seealso>'>
<!ENTITY dictionary
@@ -51,7 +53,7 @@ under the License.
The function &codec; is used to compile a diameter
&dictionary; into Erlang source.
The resulting source implements the interface diameter required
-to encode and decode the dictionary's messages and AVP's.</p>
+to encode and decode the dictionary's messages and AVPs.</p>
<p>
The utility &man_compile; provides an alternate compilation
@@ -64,16 +66,47 @@ interface.</p>
<funcs>
<func>
-<name>codec(Path::string(), [Opt]) -> ok | {error, Reason}</name>
+<name>codec(File :: iolist() | binary(), [Opt]) -> ok
+ | {ok, [Out]}
+ | {error, Reason}</name>
<fsummary>Compile a dictionary file into Erlang source.</fsummary>
<desc>
<p>
-Compile a single dictionary file to Erlang source.
-<c>Opt</c> can have the following types.</p>
+Compile a single dictionary file.
+The input <c>File</c> can be either a path or a literal dictionary,
+the occurrence of newline (ascii NL) or carriage return (ascii CR)
+identifying the latter.
+<c>Opt</c> determines the format of the results and whether they are
+written to file or returned, and can have the following types.</p>
<taglist>
+<tag><c>parse | forms | erl | hrl</c></tag>
+<item>
+<p>
+Specifies an output format.
+Whether the output is returned or written to file depends on whether
+or not option <c>return</c> is specified.
+When written to file, the resulting file(s) will have extensions
+<c>.D</c>, <c>.F</c>, <c>.erl</c>, and <c>.hrl</c>
+respectively, basenames defaulting to <c>dictionary</c> if the input
+dictionary is literal and does not specify <c>&dict_name;</c>.
+When returned, results are in the order of the corresponding format
+options.
+Format options default to <c>erl</c> and <c>hrl</c> (in this order) if
+unspecified.</p>
+
+<p>
+The <c>parse</c> format is an internal representation that can be
+passed to &flatten; and &format;, while the <c>forms</c> format can be
+passed to &compile_forms2;.
+The <c>erl</c> and <c>hrl</c> formats are returned as
+iolists.</p>
+<!-- That codec/2 can take the parsed format is undocumented, and
+ options name and inherits have no effect in this case. -->
+</item>
+
<tag><c>{include, string()}</c></tag>
<item>
<p>
@@ -90,7 +123,15 @@ Multiple <c>include</c> options can be specified.</p>
<item>
<p>
Write generated source to the specified directory.
-Defaults to the current working directory.</p>
+Defaults to the current working directory.
+Has no effect if option <c>return</c> is specified.</p>
+</item>
+
+<tag><c>return</c></tag>
+<item>
+<p>
+Return results in a <c>{ok, [Out]}</c> tuple instead of writing to
+file and returning <c>ok</c>.</p>
</item>
<tag><c>{name|prefix, string()}</c></tag>
@@ -108,7 +149,7 @@ Transform the input dictionary before compilation, appending
<c>&dict_inherits;</c> of the specified string.</p>
<p>
-Two forms of <c>@inherits</c> have special meaning:</p>
+Two forms have special meaning:</p>
<pre>
{inherits, "-"}
@@ -127,6 +168,41 @@ Multiple <c>inherits</c> options can be specified.</p>
</taglist>
+<p>
+Note that a dictionary's <c>&dict_name;</c>, together with the
+<c>outdir</c> option, determine the output paths when the
+<c>return</c> option is not specified.
+The <c>&dict_name;</c> of a literal input dictionary defaults to
+<c>dictionary</c>.</p>
+
+</desc>
+</func>
+
+<!-- ===================================================================== -->
+
+<func>
+<name>format(Parsed) -> iolist()</name>
+<fsummary>Format a parsed dictionary.</fsummary>
+<desc>
+<p>
+Turns a parsed dictionary, as returned by &codec;, back into the
+dictionary format.</p>
+</desc>
+</func>
+
+<!-- ===================================================================== -->
+
+<func>
+<name>flatten(Parsed) -> term()</name>
+<fsummary>Flatten a parsed dictionary.</fsummary>
+<desc>
+
+<p>
+Reconstitute a parsed dictionary, as returned by &codec;, without
+using <c>&dict_inherits;</c>.
+That is, construct an equivalent dictionary in which all AVP's are
+definined in the dictionary itself.
+The return value is also a parsed dictionary.</p>
</desc>
</func>
@@ -138,11 +214,7 @@ Multiple <c>inherits</c> options can be specified.</p>
<title>BUGS</title>
<p>
-All options are string-valued.
-In particular, it is not currently possible to specify
-an &dict_inherits; module as an atom(), or a path as an arbitrary
-&filename;</p>
-
+Unrecognized options are silently ignored.</p>
</section>
<!-- ===================================================================== -->