QPDFJob: convert a flag in other than the main table

generate_auto_job

@@ -71,7 +71,6 @@ not_yet = set([
     'password',
     'password-file',
     'password-mode',
-    'prefix',
     'print',
     'remove-unreferenced-resources',
     'repeat',
@@ -326,26 +325,26 @@ class Main:
         self.update_hashes()
         # DON'T ADD CODE TO generate AFTER update_hashes
 
-    def handle_trivial(self, i, identifier, config, kind, v):
+    def handle_trivial(self, i, identifier, cfg, kind, v):
         # QXXXQ could potentially generate declarations for config
         # methods separately by config object
         if kind == 'bare':
             self.init.append(f'this->ap.addBare("{i}", '
-                             f'[this](){{{config}.{identifier}();}});')
+                             f'[this](){{{cfg}->{identifier}();}});')
         elif kind == 'optional_parameter':
             self.init.append(f'this->ap.addOptionalParameter("{i}", '
-                             f'[this](char *x){{{config}.{identifier}(x);}});')
+                             f'[this](char *x){{{cfg}->{identifier}(x);}});')
         elif kind == 'required_parameter':
             self.init.append(f'this->ap.addRequiredParameter("{i}", '
-                             f'[this](char *x){{{config}.{identifier}(x);}}'
+                             f'[this](char *x){{{cfg}->{identifier}(x);}}'
                              f', "{v}");')
         elif kind == 'required_choices':
             self.init.append(f'this->ap.addChoices("{i}", '
-                             f'[this](char *x){{{config}.{identifier}(x);}}'
+                             f'[this](char *x){{{cfg}->{identifier}(x);}}'
                              f', true, {v}_choices);')
         elif kind == 'optional_choices':
             self.init.append(f'this->ap.addChoices("{i}", '
-                             f'[this](char *x){{{config}.{identifier}(x);}}'
+                             f'[this](char *x){{{cfg}->{identifier}(x);}}'
                              f', false, {v}_choices);')
 
     def handle_flag(self, i, identifier, kind, v):

include/qpdf/QPDFJob.hh

@@ -100,11 +100,44 @@ class QPDFJob
     // CONFIGURATION
     // (implemented in QPDFJob_config.cc)
 
+  private:
+    struct CopyAttachmentFrom
+    {
+        std::string path;
+        std::string password;
+        std::string prefix;
+    };
+
+  public:
+    class Config;
+    class CopyAttConfig
+    {
+        friend class QPDFJob;
+        friend class Config;
+      public:
+        QPDF_DLL CopyAttConfig& filename(char const* parameter);
+        // QXXXQ auto
+        QPDF_DLL CopyAttConfig& prefix(char const* parameter);
+        QPDF_DLL CopyAttConfig& password(char const* parameter);
+        QPDF_DLL Config& end();
+        // /QXXXQ
+
+      private:
+        CopyAttConfig(Config&);
+        CopyAttConfig(CopyAttConfig const&) = delete;
+
+        Config& config;
+        CopyAttachmentFrom caf;
+    };
+
     // Configuration is performed by calling methods XXX QXXXQ document
     class Config
     {
         friend class QPDFJob;
       public:
+        QPDF_DLL
+        std::shared_ptr<CopyAttConfig> copyAttachmentsFrom();
+
         // QXXXQ could potentially generate these declarations
         QPDF_DLL Config& allowWeakCrypto();
         QPDF_DLL Config& check();
@@ -171,9 +204,11 @@ class QPDFJob
         QPDF_DLL Config& verbose();
         QPDF_DLL Config& warningExit0();
         QPDF_DLL Config& withImages();
+        // /QXXXQ
 
       private:
         Config() = delete;
+        Config(Config const&) = delete;
         Config(QPDFJob& job) :
             o(job)
         {
@@ -183,7 +218,7 @@ class QPDFJob
     friend class Config;
 
     QPDF_DLL
-    Config config();
+    std::shared_ptr<Config> config();
 
     // QXXXQ set options -- implemented in QPDFJob_options.cc
 
@@ -295,13 +330,6 @@ class QPDFJob
         bool replace;
     };
 
-    struct CopyAttachmentFrom
-    {
-        std::string path;
-        std::string password;
-        std::string prefix;
-    };
-
     enum remove_unref_e { re_auto, re_yes, re_no };
 
     std::shared_ptr<char> password;

job.sums

@@ -1,9 +1,9 @@
 # Generated by generate_auto_job
-generate_auto_job ab9b8cdb8ccf47417d265eebcf562c51bf4d5bff6abaf0920931b972f6c7b80b
+generate_auto_job 8e2c467c47a66caef46497d96be461e7373e22124abe1bde3ef353bd99452609
-job.yml 2752b11028530f127b06e9731834dc3ae4c3b13d0161608e3b258cd2a79767d7
+job.yml 55d272cca0657e1f96ca92f5253edb6c6e24e6ea19e37690446d2111adc13f91
-libqpdf/qpdf/auto_job_decl.hh db95ca0864e7495532095cd193be1ff0c15797b9ccaf252024c1154bae57b365
+libqpdf/qpdf/auto_job_decl.hh ff9bbeec974f6a7e6ed2ba205e3d7f81fbe4f6224860a9ba37c30b817b951a90
 libqpdf/qpdf/auto_job_help.hh 383eea80e2c185ef5295fc126246457a7ceeffea759fdb90bb2e6727532ea538
-libqpdf/qpdf/auto_job_init.hh 864bb0a01df93bff129e7bc1723611d4e73f20ef7b0e33bd52261811eee43e2f
+libqpdf/qpdf/auto_job_init.hh 45e3d28708c7506a681477a7865fa39dcd10e93819875a8d5664d6629f6e5245
 libqpdf/qpdf/auto_job_schema.hh c91a4e182e088797b70dda94af03ca32d360f3564890132da2a8bdc3c4432423
 manual/_ext/qpdf.py 855fe12de5af7a10bb24be6ecc4d5dff4c84ac58cf388a13be6bbb394346a67d
 manual/cli.rst 68122ff8179c10df3fe6d577adde4973c346f7866ba9a511bab5a6e6f292a6f1

job.yml

@@ -60,7 +60,7 @@ options:
       - show-crypto
       - job-json-help
   - table: main
-    config: jc
+    config: c_main
     positional: true
     bare:
       - add-attachment
@@ -215,6 +215,7 @@ options:
       mimetype: mime/type
       description: description
   - table: copy attachment
+    config: c_copy_att
     prefix: CopyAtt
     positional: true
     required_parameter:

libqpdf/QPDFJob.cc

@@ -453,10 +453,10 @@ QPDFJob::doIfVerbose(
     }
 }
 
-QPDFJob::Config
+std::shared_ptr<QPDFJob::Config>
 QPDFJob::config()
 {
-    return Config(*this);
+    return std::shared_ptr<Config>(new Config(*this));
 }
 
 void

libqpdf/QPDFJob_argv.cc

@@ -26,7 +26,8 @@ namespace
     class ArgParser
     {
       public:
-        ArgParser(QPDFArgParser& ap, QPDFJob::Config& jc, QPDFJob& o);
+        ArgParser(QPDFArgParser& ap,
+                  std::shared_ptr<QPDFJob::Config> c_main, QPDFJob& o);
         void parseOptions();
 
       private:
@@ -42,16 +43,18 @@ namespace
 
         QPDFArgParser ap;
         QPDFJob& o;
-        QPDFJob::Config& jc;
+        std::shared_ptr<QPDFJob::Config> c_main;
+        std::shared_ptr<QPDFJob::CopyAttConfig> c_copy_att;
         std::vector<char*> accumulated_args; // points to member in ap
         char* pages_password;
     };
 }
 
-ArgParser::ArgParser(QPDFArgParser& ap, QPDFJob::Config& jc, QPDFJob& o) :
+ArgParser::ArgParser(QPDFArgParser& ap,
+                     std::shared_ptr<QPDFJob::Config> c_main, QPDFJob& o) :
     ap(ap),
     o(o),
-    jc(jc),
+    c_main(c_main),
     pages_password(nullptr)
 {
     initOptionTables();
@@ -451,7 +454,7 @@ ArgParser::argAddAttachment()
 void
 ArgParser::argCopyAttachmentsFrom()
 {
-    o.attachments_to_copy.push_back(QPDFJob::CopyAttachmentFrom());
+    this->c_copy_att = c_main->copyAttachmentsFrom();
     this->ap.selectOptionTable(O_COPY_ATTACHMENT);
 }
 
@@ -888,28 +891,21 @@ ArgParser::argEndAttachment()
 void
 ArgParser::argCopyAttPositional(char* arg)
 {
-    o.attachments_to_copy.back().path = arg;
+    c_copy_att->filename(arg);
-}
-
-void
-ArgParser::argCopyAttPrefix(char* parameter)
-{
-    o.attachments_to_copy.back().prefix = parameter;
 }
 
 void
 ArgParser::argCopyAttPassword(char* parameter)
 {
-    o.attachments_to_copy.back().password = parameter;
+    // QXXXQ @TRIVIAL
+    c_copy_att->password(parameter);
 }
 
 void
 ArgParser::argEndCopyAttachment()
 {
-    if (o.attachments_to_copy.back().path.empty())
+    c_copy_att->end();
-    {
+    c_copy_att = nullptr;
-        usage("copy attachments: no path specified");
-    }
 }
 
 void
@@ -1072,8 +1068,7 @@ QPDFJob::initializeFromArgv(int argc, char* argv[], char const* progname_env)
     }
     QPDFArgParser qap(argc, argv, progname_env);
     setMessagePrefix(qap.getProgname());
-    auto jc = config();
+    ArgParser ap(qap, config(), *this);
-    ArgParser ap(qap, jc, *this);
     ap.parseOptions();
 }
 

libqpdf/QPDFJob_config.cc

@@ -489,3 +489,46 @@ QPDFJob::Config::withImages()
     o.show_page_images = true;
     return *this;
 }
+
+std::shared_ptr<QPDFJob::CopyAttConfig>
+QPDFJob::Config::copyAttachmentsFrom()
+{
+    return std::shared_ptr<CopyAttConfig>(new CopyAttConfig(*this));
+}
+
+QPDFJob::CopyAttConfig::CopyAttConfig(Config& c) :
+    config(c)
+{
+}
+
+QPDFJob::CopyAttConfig&
+QPDFJob::CopyAttConfig::filename(char const* parameter)
+{
+    this->caf.path = parameter;
+    return *this;
+}
+
+QPDFJob::CopyAttConfig&
+QPDFJob::CopyAttConfig::prefix(char const* parameter)
+{
+    this->caf.prefix = parameter;
+    return *this;
+}
+
+QPDFJob::CopyAttConfig&
+QPDFJob::CopyAttConfig::password(char const* parameter)
+{
+    this->caf.password = parameter;
+    return *this;
+}
+
+QPDFJob::Config&
+QPDFJob::CopyAttConfig::end()
+{
+    if (this->caf.path.empty())
+    {
+        throw std::runtime_error("copy attachments: no path specified");
+    }
+    this->config.o.attachments_to_copy.push_back(this->caf);
+    return this->config;
+}

libqpdf/qpdf/auto_job_decl.hh

@@ -75,6 +75,5 @@ void argAttMimetype(char *);
 void argAttDescription(char *);
 void argEndAttachment();
 void argCopyAttPositional(char*);
-void argCopyAttPrefix(char *);
 void argCopyAttPassword(char *);
 void argEndCopyAttachment();

libqpdf/qpdf/auto_job_init.hh

@@ -30,82 +30,82 @@ this->ap.addBare("job-json-help", b(&ArgParser::argJobJsonHelp));
 this->ap.selectMainOptionTable();
 this->ap.addPositional(p(&ArgParser::argPositional));
 this->ap.addBare("add-attachment", b(&ArgParser::argAddAttachment));
-this->ap.addBare("allow-weak-crypto", [this](){jc.allowWeakCrypto();});
+this->ap.addBare("allow-weak-crypto", [this](){c_main->allowWeakCrypto();});
-this->ap.addBare("check", [this](){jc.check();});
+this->ap.addBare("check", [this](){c_main->check();});
-this->ap.addBare("check-linearization", [this](){jc.checkLinearization();});
+this->ap.addBare("check-linearization", [this](){c_main->checkLinearization();});
-this->ap.addBare("coalesce-contents", [this](){jc.coalesceContents();});
+this->ap.addBare("coalesce-contents", [this](){c_main->coalesceContents();});
 this->ap.addBare("copy-attachments-from", b(&ArgParser::argCopyAttachmentsFrom));
-this->ap.addBare("decrypt", [this](){jc.decrypt();});
+this->ap.addBare("decrypt", [this](){c_main->decrypt();});
-this->ap.addBare("deterministic-id", [this](){jc.deterministicId();});
+this->ap.addBare("deterministic-id", [this](){c_main->deterministicId();});
-this->ap.addBare("empty", [this](){jc.empty();});
+this->ap.addBare("empty", [this](){c_main->empty();});
 this->ap.addBare("encrypt", b(&ArgParser::argEncrypt));
-this->ap.addBare("externalize-inline-images", [this](){jc.externalizeInlineImages();});
+this->ap.addBare("externalize-inline-images", [this](){c_main->externalizeInlineImages();});
-this->ap.addBare("filtered-stream-data", [this](){jc.filteredStreamData();});
+this->ap.addBare("filtered-stream-data", [this](){c_main->filteredStreamData();});
-this->ap.addBare("flatten-rotation", [this](){jc.flattenRotation();});
+this->ap.addBare("flatten-rotation", [this](){c_main->flattenRotation();});
-this->ap.addBare("generate-appearances", [this](){jc.generateAppearances();});
+this->ap.addBare("generate-appearances", [this](){c_main->generateAppearances();});
-this->ap.addBare("ignore-xref-streams", [this](){jc.ignoreXrefStreams();});
+this->ap.addBare("ignore-xref-streams", [this](){c_main->ignoreXrefStreams();});
-this->ap.addBare("is-encrypted", [this](){jc.isEncrypted();});
+this->ap.addBare("is-encrypted", [this](){c_main->isEncrypted();});
-this->ap.addBare("json", [this](){jc.json();});
+this->ap.addBare("json", [this](){c_main->json();});
-this->ap.addBare("keep-inline-images", [this](){jc.keepInlineImages();});
+this->ap.addBare("keep-inline-images", [this](){c_main->keepInlineImages();});
-this->ap.addBare("linearize", [this](){jc.linearize();});
+this->ap.addBare("linearize", [this](){c_main->linearize();});
-this->ap.addBare("list-attachments", [this](){jc.listAttachments();});
+this->ap.addBare("list-attachments", [this](){c_main->listAttachments();});
-this->ap.addBare("newline-before-endstream", [this](){jc.newlineBeforeEndstream();});
+this->ap.addBare("newline-before-endstream", [this](){c_main->newlineBeforeEndstream();});
-this->ap.addBare("no-original-object-ids", [this](){jc.noOriginalObjectIds();});
+this->ap.addBare("no-original-object-ids", [this](){c_main->noOriginalObjectIds();});
-this->ap.addBare("no-warn", [this](){jc.noWarn();});
+this->ap.addBare("no-warn", [this](){c_main->noWarn();});
-this->ap.addBare("optimize-images", [this](){jc.optimizeImages();});
+this->ap.addBare("optimize-images", [this](){c_main->optimizeImages();});
 this->ap.addBare("overlay", b(&ArgParser::argOverlay));
 this->ap.addBare("pages", b(&ArgParser::argPages));
-this->ap.addBare("password-is-hex-key", [this](){jc.passwordIsHexKey();});
+this->ap.addBare("password-is-hex-key", [this](){c_main->passwordIsHexKey();});
-this->ap.addBare("preserve-unreferenced", [this](){jc.preserveUnreferenced();});
+this->ap.addBare("preserve-unreferenced", [this](){c_main->preserveUnreferenced();});
-this->ap.addBare("preserve-unreferenced-resources", [this](){jc.preserveUnreferencedResources();});
+this->ap.addBare("preserve-unreferenced-resources", [this](){c_main->preserveUnreferencedResources();});
-this->ap.addBare("progress", [this](){jc.progress();});
+this->ap.addBare("progress", [this](){c_main->progress();});
-this->ap.addBare("qdf", [this](){jc.qdf();});
+this->ap.addBare("qdf", [this](){c_main->qdf();});
-this->ap.addBare("raw-stream-data", [this](){jc.rawStreamData();});
+this->ap.addBare("raw-stream-data", [this](){c_main->rawStreamData();});
-this->ap.addBare("recompress-flate", [this](){jc.recompressFlate();});
+this->ap.addBare("recompress-flate", [this](){c_main->recompressFlate();});
-this->ap.addBare("remove-page-labels", [this](){jc.removePageLabels();});
+this->ap.addBare("remove-page-labels", [this](){c_main->removePageLabels();});
-this->ap.addBare("replace-input", [this](){jc.replaceInput();});
+this->ap.addBare("replace-input", [this](){c_main->replaceInput();});
-this->ap.addBare("requires-password", [this](){jc.requiresPassword();});
+this->ap.addBare("requires-password", [this](){c_main->requiresPassword();});
-this->ap.addBare("show-encryption", [this](){jc.showEncryption();});
+this->ap.addBare("show-encryption", [this](){c_main->showEncryption();});
-this->ap.addBare("show-encryption-key", [this](){jc.showEncryptionKey();});
+this->ap.addBare("show-encryption-key", [this](){c_main->showEncryptionKey();});
-this->ap.addBare("show-linearization", [this](){jc.showLinearization();});
+this->ap.addBare("show-linearization", [this](){c_main->showLinearization();});
-this->ap.addBare("show-npages", [this](){jc.showNpages();});
+this->ap.addBare("show-npages", [this](){c_main->showNpages();});
-this->ap.addBare("show-pages", [this](){jc.showPages();});
+this->ap.addBare("show-pages", [this](){c_main->showPages();});
-this->ap.addBare("show-xref", [this](){jc.showXref();});
+this->ap.addBare("show-xref", [this](){c_main->showXref();});
-this->ap.addBare("static-aes-iv", [this](){jc.staticAesIv();});
+this->ap.addBare("static-aes-iv", [this](){c_main->staticAesIv();});
-this->ap.addBare("static-id", [this](){jc.staticId();});
+this->ap.addBare("static-id", [this](){c_main->staticId();});
-this->ap.addBare("suppress-password-recovery", [this](){jc.suppressPasswordRecovery();});
+this->ap.addBare("suppress-password-recovery", [this](){c_main->suppressPasswordRecovery();});
-this->ap.addBare("suppress-recovery", [this](){jc.suppressRecovery();});
+this->ap.addBare("suppress-recovery", [this](){c_main->suppressRecovery();});
 this->ap.addBare("underlay", b(&ArgParser::argUnderlay));
-this->ap.addBare("verbose", [this](){jc.verbose();});
+this->ap.addBare("verbose", [this](){c_main->verbose();});
-this->ap.addBare("warning-exit-0", [this](){jc.warningExit0();});
+this->ap.addBare("warning-exit-0", [this](){c_main->warningExit0();});
-this->ap.addBare("with-images", [this](){jc.withImages();});
+this->ap.addBare("with-images", [this](){c_main->withImages();});
-this->ap.addOptionalParameter("collate", [this](char *x){jc.collate(x);});
+this->ap.addOptionalParameter("collate", [this](char *x){c_main->collate(x);});
-this->ap.addOptionalParameter("split-pages", [this](char *x){jc.splitPages(x);});
+this->ap.addOptionalParameter("split-pages", [this](char *x){c_main->splitPages(x);});
-this->ap.addRequiredParameter("compression-level", [this](char *x){jc.compressionLevel(x);}, "level");
+this->ap.addRequiredParameter("compression-level", [this](char *x){c_main->compressionLevel(x);}, "level");
-this->ap.addRequiredParameter("copy-encryption", [this](char *x){jc.copyEncryption(x);}, "file");
+this->ap.addRequiredParameter("copy-encryption", [this](char *x){c_main->copyEncryption(x);}, "file");
-this->ap.addRequiredParameter("encryption-file-password", [this](char *x){jc.encryptionFilePassword(x);}, "password");
+this->ap.addRequiredParameter("encryption-file-password", [this](char *x){c_main->encryptionFilePassword(x);}, "password");
-this->ap.addRequiredParameter("force-version", [this](char *x){jc.forceVersion(x);}, "version");
+this->ap.addRequiredParameter("force-version", [this](char *x){c_main->forceVersion(x);}, "version");
-this->ap.addRequiredParameter("ii-min-bytes", [this](char *x){jc.iiMinBytes(x);}, "minimum");
+this->ap.addRequiredParameter("ii-min-bytes", [this](char *x){c_main->iiMinBytes(x);}, "minimum");
 this->ap.addRequiredParameter("job-json-file", p(&ArgParser::argJobJsonFile), "file");
-this->ap.addRequiredParameter("json-object", [this](char *x){jc.jsonObject(x);}, "trailer");
+this->ap.addRequiredParameter("json-object", [this](char *x){c_main->jsonObject(x);}, "trailer");
-this->ap.addRequiredParameter("keep-files-open-threshold", [this](char *x){jc.keepFilesOpenThreshold(x);}, "count");
+this->ap.addRequiredParameter("keep-files-open-threshold", [this](char *x){c_main->keepFilesOpenThreshold(x);}, "count");
-this->ap.addRequiredParameter("linearize-pass1", [this](char *x){jc.linearizePass1(x);}, "filename");
+this->ap.addRequiredParameter("linearize-pass1", [this](char *x){c_main->linearizePass1(x);}, "filename");
-this->ap.addRequiredParameter("min-version", [this](char *x){jc.minVersion(x);}, "version");
+this->ap.addRequiredParameter("min-version", [this](char *x){c_main->minVersion(x);}, "version");
-this->ap.addRequiredParameter("oi-min-area", [this](char *x){jc.oiMinArea(x);}, "minimum");
+this->ap.addRequiredParameter("oi-min-area", [this](char *x){c_main->oiMinArea(x);}, "minimum");
-this->ap.addRequiredParameter("oi-min-height", [this](char *x){jc.oiMinHeight(x);}, "minimum");
+this->ap.addRequiredParameter("oi-min-height", [this](char *x){c_main->oiMinHeight(x);}, "minimum");
-this->ap.addRequiredParameter("oi-min-width", [this](char *x){jc.oiMinWidth(x);}, "minimum");
+this->ap.addRequiredParameter("oi-min-width", [this](char *x){c_main->oiMinWidth(x);}, "minimum");
 this->ap.addRequiredParameter("password", p(&ArgParser::argPassword), "password");
 this->ap.addRequiredParameter("password-file", p(&ArgParser::argPasswordFile), "password");
-this->ap.addRequiredParameter("remove-attachment", [this](char *x){jc.removeAttachment(x);}, "attachment");
+this->ap.addRequiredParameter("remove-attachment", [this](char *x){c_main->removeAttachment(x);}, "attachment");
 this->ap.addRequiredParameter("rotate", p(&ArgParser::argRotate), "[+|-]angle");
-this->ap.addRequiredParameter("show-attachment", [this](char *x){jc.showAttachment(x);}, "attachment");
+this->ap.addRequiredParameter("show-attachment", [this](char *x){c_main->showAttachment(x);}, "attachment");
 this->ap.addRequiredParameter("show-object", p(&ArgParser::argShowObject), "trailer");
-this->ap.addChoices("compress-streams", [this](char *x){jc.compressStreams(x);}, true, yn_choices);
+this->ap.addChoices("compress-streams", [this](char *x){c_main->compressStreams(x);}, true, yn_choices);
 this->ap.addChoices("decode-level", p(&ArgParser::argDecodeLevel), true, decode_level_choices);
-this->ap.addChoices("flatten-annotations", [this](char *x){jc.flattenAnnotations(x);}, true, flatten_choices);
+this->ap.addChoices("flatten-annotations", [this](char *x){c_main->flattenAnnotations(x);}, true, flatten_choices);
-this->ap.addChoices("json-key", [this](char *x){jc.jsonKey(x);}, true, json_key_choices);
+this->ap.addChoices("json-key", [this](char *x){c_main->jsonKey(x);}, true, json_key_choices);
-this->ap.addChoices("keep-files-open", [this](char *x){jc.keepFilesOpen(x);}, true, yn_choices);
+this->ap.addChoices("keep-files-open", [this](char *x){c_main->keepFilesOpen(x);}, true, yn_choices);
-this->ap.addChoices("normalize-content", [this](char *x){jc.normalizeContent(x);}, true, yn_choices);
+this->ap.addChoices("normalize-content", [this](char *x){c_main->normalizeContent(x);}, true, yn_choices);
 this->ap.addChoices("object-streams", p(&ArgParser::argObjectStreams), true, object_streams_choices);
 this->ap.addChoices("password-mode", p(&ArgParser::argPasswordMode), true, password_mode_choices);
 this->ap.addChoices("remove-unreferenced-resources", p(&ArgParser::argRemoveUnreferencedResources), true, remove_unref_choices);
@@ -152,7 +152,7 @@ this->ap.addRequiredParameter("mimetype", p(&ArgParser::argAttMimetype), "mime/t
 this->ap.addRequiredParameter("description", p(&ArgParser::argAttDescription), "description");
 this->ap.registerOptionTable("copy attachment", b(&ArgParser::argEndCopyAttachment));
 this->ap.addPositional(p(&ArgParser::argCopyAttPositional));
-this->ap.addRequiredParameter("prefix", p(&ArgParser::argCopyAttPrefix), "prefix");
+this->ap.addRequiredParameter("prefix", [this](char *x){c_copy_att->prefix(x);}, "prefix");
 this->ap.addRequiredParameter("password", p(&ArgParser::argCopyAttPassword), "password");
 this->ap.selectOptionTable("256-bit encryption");
 this->ap.copyFromOtherTable("cleartext-metadata", "128-bit encryption");