Three stamps for renerating plain text

kostyafip · nataraj-hates-MS-for-stealing-github · commit 15082f173c00 · 2023-07-11T20:11:55.000+03:00
These three stamps generate plain text.
First stamp just gives a sequence of character with no structure at all
Second stamp adds spaces in such sequence now and then
Third stamp generate sequence of random words taken from dictionary
diff --git a/blobstamper/stamp_dict.h b/blobstamper/stamp_dict.h
@@ -47,4 +47,10 @@ class StampDict: public StampBaseStr
     int  maxSize() override {return stamp_size;}
 };
 
+class StampDictLCAlphaSmall : public StampDict
+{
+  public:
+    StampDictLCAlphaSmall (): StampDict(std::make_shared<DictLCAlphaSmall>()) {};
+};
+
 #endif /* STAMP_DICT_H */
diff --git a/blobstamper/stamp_text.cpp b/blobstamper/stamp_text.cpp
@@ -0,0 +1,71 @@
+/******************************************************************************
+ *
+ * Copyright 2021 Nikolay Shaplov (Postgres Professional)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+#include"stamp_text.h"
+
+std::string
+StampTextPulp::ExtractStr(Blob &blob)
+{
+
+    std::vector<char> data = blob.ChopBlank(*this);
+
+    std::vector<char>::iterator the_iterator;
+
+    the_iterator = data.begin();
+    std:: string res;
+    while (the_iterator != data.end())
+    {
+      if (*the_iterator == '\0') { *the_iterator = ' '; }
+      res.push_back(*the_iterator++);
+    }
+
+    return res;
+}
+
+std::string StampTextPulpWords::ExtractStr(Blob &blob)
+{
+  std::vector<std::string> data = ExtractStrVector(blob);
+  std::string res = "";
+
+  for(std::string s : data)
+  {
+    if (!res.empty())
+    {
+      res+=" ";
+    }
+    res+= s;
+  }
+  return res;
+}
+
+std::string StampTextDictWords::ExtractStr(Blob &blob)
+{
+  std::vector<std::string> data = ExtractStrVector(blob);
+  std::string res = "";
+
+  for(std::string s : data)
+  {
+    if (!res.empty())
+    {
+      res+=" ";
+    }
+    res+= s;
+  }
+  return res;
+}
+
diff --git a/blobstamper/stamp_text.h b/blobstamper/stamp_text.h
@@ -0,0 +1,47 @@
+/******************************************************************************
+ *
+ * Copyright 2021 Nikolay Shaplov (Postgres Professional)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+#ifndef STAMP_TEXT_H
+#define STAMP_TEXT_H
+
+
+#include "galley.h"
+
+#include "stamp_dict.h"
+
+class StampTextPulp: public StampBaseStr
+{
+  public:
+    virtual int minSize() override {return 1;}
+    virtual int maxSize() override {return -1;}
+    std::string ExtractStr(Blob &blob) override;
+};
+
+class StampTextPulpWords:  public GalleyVectorStrStampBase<StampTextPulp>
+{
+  public:
+    virtual std::string ExtractStr(Blob &blob) override;
+};
+
+class StampTextDictWords:  public GalleyVectorStrStampBase<StampDictLCAlphaSmall>
+{
+  public:
+    virtual std::string ExtractStr(Blob &blob) override;
+};
+
+#endif /* STAMP_TEXT_H */
diff --git a/t/150-stamp_text.cpp b/t/150-stamp_text.cpp
@@ -0,0 +1,60 @@
+/******************************************************************************
+ *
+ * Copyright 2021 Nikolay Shaplov (Postgres Professional)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+#include <string.h>
+
+#include <exception>
+#include <string>
+#include <cstdlib>
+#define WANT_TEST_EXTRAS
+#include <tap++/tap++.h>
+
+#include "blobstamper/stamp_text.h"
+
+using namespace TAP;
+
+int
+main()
+{
+    TEST_START(3);
+    { /* 1..1 */
+		  char data[] = "папа\0мама\0бабушка\0дедушка\0братик\0сестричка";
+		  Blob blob(data, (sizeof data)-1);
+		  StampTextPulp stamp;
+		  std::string s = stamp.ExtractStr(blob);
+      is(s, "папа мама бабушка дедушка братик сестричка", "StampTextSimple");
+
+    }
+    { /* 2..2 */
+		  char data[] = "dad\0mam\0granddad\0grandmam\0brother\0sister";
+		  Blob blob(data, (sizeof data)-1);
+		  StampTextPulpWords stamp;
+		  std::string s = stamp.ExtractStr(blob);
+      is(s, "d dad gra n dmam broth er siste", "GalleyTextSimple");
+
+    }
+    { /* 3..3 */
+		  char data[] = "abcdef" "abcdef" "ABCDEF" "012345";
+		  Blob blob(data, (sizeof data)-1);
+		  StampTextDictWords stamp;
+		  std::string s = stamp.ExtractStr(blob);
+      is(s, "gleam godfather graffiti greened grouping gunshots gleam godfather graffiti greened grouping gunshots dismally dissented divested doorstep dread drunks convertors corpulent counterparts cranking crippled crusades", "GalleyLCAlphaSmall");
+
+    }
+    TEST_END;
+}
