Allow repetition of overlay/underlay

This is just QPDFJob wiring.

job.sums

@@ -7,13 +7,13 @@ include/qpdf/auto_job_c_enc.hh 28446f3c32153a52afa239ea40503e6cc8ac2c026813526a3
 include/qpdf/auto_job_c_main.hh dbfc221d1533120d1aa9c361d8d2483dea5fcb1c0fd95144d98d305e64ed32a6
 include/qpdf/auto_job_c_pages.hh 09ca15649cc94fdaf6d9bdae28a20723f2a66616bf15aa86d83df31051d82506
 include/qpdf/auto_job_c_uo.hh 9c2f98a355858dd54d0bba444b73177a59c9e56833e02fa6406f429c07f39e62
-job.yml 790dd0f62f124a6cc97cc54bae992a1f1b1f3a9b4f0294bcf123868f3d3b39d3
+job.yml 53cad86659db6722e8f415aacb19fc51ab81bb1589c3cb8f65ec893bb4bf5566
 libqpdf/qpdf/auto_job_decl.hh 20d6affe1e260f5a1af4f1d82a820b933835440ff03020e877382da2e8dac6c6
 libqpdf/qpdf/auto_job_help.hh 5808d936f6cd41af278ca298ed0c0762ce0a16956cbe1757a40e4443485cf31e
 libqpdf/qpdf/auto_job_init.hh 19d1da7c4c0c635bd1c5db8d5f17df8edad3442f8eba006adb075cec295fa158
-libqpdf/qpdf/auto_job_json_decl.hh 7c7fbf9f7fdf7a1f5f7cedb09af16b8dcf30b6860947bd38c970385b05d22fc1
+libqpdf/qpdf/auto_job_json_decl.hh 843892c8e8652a86b7eb573893ef24050b7f36fe313f7251874be5cd4cdbe3fd
-libqpdf/qpdf/auto_job_json_init.hh 436567565691252d62a1852564729925ef996e78eba9ea3d947829c05f72a309
+libqpdf/qpdf/auto_job_json_init.hh a87256c082427ec0318223762472970b2eced535c0c8b0288d45c8cdaaf62f74
-libqpdf/qpdf/auto_job_schema.hh 30dcb22bfa76d731dfa2cc2a226d7deaa25145f964b19ab44161356c909e4dc1
+libqpdf/qpdf/auto_job_schema.hh 5dac568dff39614e161a0af59a0f328f1e28edf69b96f08bb76fd592d51bb053
 manual/_ext/qpdf.py 6add6321666031d55ed4aedf7c00e5662bba856dfcd66ccb526563bffefbb580
 manual/cli.rst 0e6a957defa4839abb9a69414de6a5ec5524fd6ff56fe9abf8f241bee54813e2
 manual/qpdf.1 7250b4e26033fca6b6b9cb23a51e1f46c26f8033663901d4af06b451e287e814

job.yml

@@ -446,17 +446,17 @@ json:
   set-page-labels:
     - null
   overlay:
-    UO.file:
+    - UO.file:
-    UO.password:
+      UO.password:
-    from:
+      from:
-    repeat:
+      repeat:
-    to:
+      to:
   underlay:
-    UO.file:
+    - UO.file:
-    UO.password:
+      UO.password:
-    from:
+      from:
-    repeat:
+      repeat:
-    to:
+      to:
   warning-exit-0:
   job-json-file:
   preserve-unreferenced-resources:

libqpdf/QPDFJob_json.cc

@@ -521,6 +521,18 @@ Handlers::setupPagesPassword()
     addParameter([this](char const* p) { c_pages->password(p); });
 }
 
+void
+Handlers::beginOverlayArray(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endOverlayArray()
+{
+    // nothing needed
+}
+
 void
 Handlers::beginOverlay(JSON j)
 {
@@ -548,6 +560,18 @@ Handlers::setupOverlayPassword()
     addParameter([this](char const* p) { c_uo->password(p); });
 }
 
+void
+Handlers::beginUnderlayArray(JSON)
+{
+    // nothing needed
+}
+
+void
+Handlers::endUnderlayArray()
+{
+    // nothing needed
+}
+
 void
 Handlers::beginUnderlay(JSON j)
 {

libqpdf/qpdf/auto_job_json_decl.hh

@@ -46,10 +46,14 @@ void setupPagesPassword();
 void beginSetPageLabelsArray(JSON);
 void endSetPageLabelsArray();
 void setupSetPageLabels();
+void beginOverlayArray(JSON);
+void endOverlayArray();
 void beginOverlay(JSON);
 void endOverlay();
 void setupOverlayFile();
 void setupOverlayPassword();
+void beginUnderlayArray(JSON);
+void endUnderlayArray();
 void beginUnderlay(JSON);
 void endUnderlay();
 void setupUnderlayFile();

libqpdf/qpdf/auto_job_json_init.hh

@@ -427,6 +427,7 @@ setupSetPageLabels();
 popHandler(); // array: .setPageLabels[]
 popHandler(); // key: setPageLabels
 pushKey("overlay");
+beginArray(bindJSON(&Handlers::beginOverlayArray), bindBare(&Handlers::endOverlayArray)); // .overlay[]
 beginDict(bindJSON(&Handlers::beginOverlay), bindBare(&Handlers::endOverlay)); // .overlay
 pushKey("file");
 setupOverlayFile();
@@ -443,8 +444,10 @@ popHandler(); // key: repeat
 pushKey("to");
 addParameter([this](std::string const& p) { c_uo->to(p); });
 popHandler(); // key: to
+popHandler(); // array: .overlay[]
 popHandler(); // key: overlay
 pushKey("underlay");
+beginArray(bindJSON(&Handlers::beginUnderlayArray), bindBare(&Handlers::endUnderlayArray)); // .underlay[]
 beginDict(bindJSON(&Handlers::beginUnderlay), bindBare(&Handlers::endUnderlay)); // .underlay
 pushKey("file");
 setupUnderlayFile();
@@ -461,6 +464,7 @@ popHandler(); // key: repeat
 pushKey("to");
 addParameter([this](std::string const& p) { c_uo->to(p); });
 popHandler(); // key: to
+popHandler(); // array: .underlay[]
 popHandler(); // key: underlay
 pushKey("warningExit0");
 addBare([this]() { c_main->warningExit0(); });

libqpdf/qpdf/auto_job_schema.hh

@@ -151,20 +151,24 @@ static constexpr char const* JOB_SCHEMA_DATA = R"({
   "setPageLabels": [
     "number pages for the entire document"
   ],
-  "overlay": {
+  "overlay": [
-    "file": "source for pages",
+    {
-    "password": "password for encrypted file",
+      "file": "source for pages",
-    "from": "source pages for underlay/overlay",
+      "password": "password for encrypted file",
-    "repeat": "overlay/underlay pages to repeat",
+      "from": "source pages for underlay/overlay",
-    "to": "destination pages for underlay/overlay"
+      "repeat": "overlay/underlay pages to repeat",
-  },
+      "to": "destination pages for underlay/overlay"
-  "underlay": {
+    }
-    "file": "source for pages",
+  ],
-    "password": "password for encrypted file",
+  "underlay": [
-    "from": "source pages for underlay/overlay",
+    {
-    "repeat": "overlay/underlay pages to repeat",
+      "file": "source for pages",
-    "to": "destination pages for underlay/overlay"
+      "password": "password for encrypted file",
-  },
+      "from": "source pages for underlay/overlay",
+      "repeat": "overlay/underlay pages to repeat",
+      "to": "destination pages for underlay/overlay"
+    }
+  ],
   "warningExit0": "exit 0 even with warnings",
   "jobJsonFile": "job JSON file",
   "preserveUnreferencedResources": "use removeUnreferencedResources=no",