From 7d26ea59564e573b9f8a1f025f7fd5df24ee2e80 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 11 Sep 2023 10:37:45 +0200
Subject: Add --file-list-only option

This option allows only writing the list of C++ files that would be generated
without actually generating them.
---
 xsd/xsd/cxx/tree/generator.cxx | 80 +++++++++++++++++++++++++-----------------
 1 file changed, 48 insertions(+), 32 deletions(-)

(limited to 'xsd/xsd/cxx/tree')

diff --git a/xsd/xsd/cxx/tree/generator.cxx b/xsd/xsd/cxx/tree/generator.cxx
index 8becfec..d3e4db2 100644
--- a/xsd/xsd/cxx/tree/generator.cxx
+++ b/xsd/xsd/cxx/tree/generator.cxx
@@ -231,7 +231,7 @@ namespace CXX
           throw Failed ();
       }
 
-      bool gen_cxx (!ops.generate_dep_only ());
+      bool gen_cxx (!ops.generate_dep_only () && !ops.file_list_only ());
 
       // Process ordered types.
       //
@@ -493,72 +493,88 @@ namespace CXX
 
       // FWD
       //
-      if (gen_cxx && forward)
+      if (forward)
       {
-        fwd.open (fwd_path.string ().c_str (), ios_base::out);
-
-        if (!fwd.is_open ())
+        if (gen_cxx)
         {
-          wcerr << fwd_path << ": error: unable to open in write mode" << endl;
-          throw Failed ();
+          fwd.open (fwd_path.string ().c_str (), ios_base::out);
+
+          if (!fwd.is_open ())
+          {
+            wcerr << fwd_path << ": error: unable to open in write mode" << endl;
+            throw Failed ();
+          }
+
+          unlinks.add (fwd_path);
         }
 
-        unlinks.add (fwd_path);
         file_list.push_back (fwd_path.string ());
       }
 
       // HXX
       //
-      if (gen_cxx && header)
+      if (header)
       {
-        hxx.open (hxx_path.string ().c_str (), ios_base::out);
-
-        if (!hxx.is_open ())
+        if (gen_cxx)
         {
-          wcerr << hxx_path << ": error: unable to open in write mode" << endl;
-          throw Failed ();
+          hxx.open (hxx_path.string ().c_str (), ios_base::out);
+
+          if (!hxx.is_open ())
+          {
+            wcerr << hxx_path << ": error: unable to open in write mode" << endl;
+            throw Failed ();
+          }
+
+          unlinks.add (hxx_path);
         }
 
-        unlinks.add (hxx_path);
         file_list.push_back (hxx_path.string ());
       }
 
       // IXX
       //
-      if (gen_cxx && inline_)
+      if (inline_)
       {
-        ixx.open (ixx_path.string ().c_str (), ios_base::out);
-
-        if (!ixx.is_open ())
+        if (gen_cxx)
         {
-          wcerr << ixx_path << ": error: unable to open in write mode" << endl;
-          throw Failed ();
+          ixx.open (ixx_path.string ().c_str (), ios_base::out);
+
+          if (!ixx.is_open ())
+          {
+            wcerr << ixx_path << ": error: unable to open in write mode" << endl;
+            throw Failed ();
+          }
+
+          unlinks.add (ixx_path);
         }
 
-        unlinks.add (ixx_path);
         file_list.push_back (ixx_path.string ());
       }
 
       // CXX
       //
-      if (gen_cxx && source)
+      if (source)
       {
         for (Paths::iterator i (cxx_paths.begin ());
              i != cxx_paths.end (); ++i)
         {
-          shared_ptr<WideOutputFileStream> s (
-            new (shared) WideOutputFileStream (
-              i->string ().c_str (), ios_base::out));
-
-          if (!s->is_open ())
+          if (gen_cxx)
           {
-            wcerr << *i << ": error: unable to open in write mode" << endl;
-            throw Failed ();
+            shared_ptr<WideOutputFileStream> s (
+              new (shared) WideOutputFileStream (
+                i->string ().c_str (), ios_base::out));
+
+            if (!s->is_open ())
+            {
+              wcerr << *i << ": error: unable to open in write mode" << endl;
+              throw Failed ();
+            }
+
+            cxx.push_back (s);
+            unlinks.add (*i);
           }
 
-          unlinks.add (*i);
           file_list.push_back (i->string ());
-          cxx.push_back (s);
         }
       }
 
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