# HG changeset patch
# User František Kučera <franta-hg@frantovo.cz>
# Date 1544654746 -3600
# Node ID f06781a5071b59570836876299d681b77042178a
# Parent  f66c759d1111e7f26af6c0c7191396920cf5ffb3
project skeleton

diff -r f66c759d1111 -r f06781a5071b CMakeLists.txt
--- a/CMakeLists.txt	Mon Dec 10 21:17:26 2018 +0100
+++ b/CMakeLists.txt	Wed Dec 12 23:45:46 2018 +0100
@@ -14,6 +14,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-project (relpipe-tr-grep.cpp)
+project (relpipe-tr-cut.cpp)
 cmake_minimum_required(VERSION 2.8)
 add_subdirectory (src)
diff -r f66c759d1111 -r f06781a5071b nbproject/configurations.xml
--- a/nbproject/configurations.xml	Mon Dec 10 21:17:26 2018 +0100
+++ b/nbproject/configurations.xml	Wed Dec 12 23:45:46 2018 +0100
@@ -42,7 +42,7 @@
   <logicalFolder name="root" displayName="root" projectFiles="true" kind="ROOT">
     <df root="." name="0">
       <df name="src">
-        <in>relpipe-tr-grep.cpp</in>
+        <in>relpipe-tr-cut.cpp</in>
       </df>
     </df>
     <logicalFolder name="ExternalFiles"
@@ -76,7 +76,7 @@
           <buildCommandWorkingDir>build/Debug</buildCommandWorkingDir>
           <buildCommand>${MAKE} -f Makefile</buildCommand>
           <cleanCommand>${MAKE} -f Makefile clean</cleanCommand>
-          <executablePath>build/Debug/src/relpipe-tr-grep</executablePath>
+          <executablePath>build/Debug/src/relpipe-tr-cut</executablePath>
           <ccTool>
             <incDir>
               <pElem>../relpipe-lib-reader.cpp/include</pElem>
@@ -92,7 +92,7 @@
           <preBuildFirst>true</preBuildFirst>
         </preBuild>
       </makefileType>
-      <item path="src/relpipe-tr-grep.cpp" ex="false" tool="1" flavor2="0">
+      <item path="src/relpipe-tr-cut.cpp" ex="false" tool="1" flavor2="0">
         <ccTool flags="0">
         </ccTool>
       </item>
@@ -132,7 +132,7 @@
           <preBuildFirst>true</preBuildFirst>
         </preBuild>
       </makefileType>
-      <item path="src/relpipe-tr-grep.cpp" ex="false" tool="1" flavor2="0">
+      <item path="src/relpipe-tr-cut.cpp" ex="false" tool="1" flavor2="0">
         <ccTool flags="0">
         </ccTool>
       </item>
diff -r f66c759d1111 -r f06781a5071b nbproject/project.xml
--- a/nbproject/project.xml	Mon Dec 10 21:17:26 2018 +0100
+++ b/nbproject/project.xml	Wed Dec 12 23:45:46 2018 +0100
@@ -42,7 +42,7 @@
     <type>org.netbeans.modules.cnd.makeproject</type>
     <configuration>
         <data xmlns="http://www.netbeans.org/ns/make-project/1">
-            <name>relpipe-tr-grep.cpp</name>
+            <name>relpipe-tr-cut.cpp</name>
             <c-extensions/>
             <cpp-extensions>cpp</cpp-extensions>
             <header-extensions>h</header-extensions>
diff -r f66c759d1111 -r f06781a5071b src/CMakeLists.txt
--- a/src/CMakeLists.txt	Mon Dec 10 21:17:26 2018 +0100
+++ b/src/CMakeLists.txt	Wed Dec 12 23:45:46 2018 +0100
@@ -14,7 +14,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-set(EXECUTABLE_FILE "relpipe-tr-grep")
+set(EXECUTABLE_FILE "relpipe-tr-cut")
 
 # Relpipe libraries:
 INCLUDE(FindPkgConfig)
@@ -30,7 +30,7 @@
 # Executable output:
 add_executable(
 	${EXECUTABLE_FILE}
-	relpipe-tr-grep.cpp
+	relpipe-tr-cut.cpp
 )
 
 # Link libraries:
diff -r f66c759d1111 -r f06781a5071b src/CutHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/CutHandler.h	Wed Dec 12 23:45:46 2018 +0100
@@ -0,0 +1,124 @@
+/**
+ * Relational pipes
+ * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <memory>
+#include <string>
+#include <vector>
+#include <iostream>
+#include <sstream>
+#include <locale>
+#include <codecvt>
+#include <regex>
+
+#include <relpipe/reader/typedefs.h>
+#include <relpipe/reader/TypeId.h>
+#include <relpipe/reader/handlers/RelationalReaderStringHandler.h>
+#include <relpipe/reader/handlers/AttributeMetadata.h>
+
+#include <relpipe/writer/Factory.h>
+
+#include <relpipe/cli/RelpipeCLIException.h>
+
+namespace relpipe {
+namespace tr {
+namespace grep {
+
+using namespace std;
+using namespace relpipe;
+using namespace relpipe::reader;
+using namespace relpipe::reader::handlers;
+
+class GrepHandler : public RelationalReaderStringHadler {
+private:
+	shared_ptr<writer::RelationalWriter> relationalWriter;
+
+	wregex relationNameRegEx;
+	wregex attributeNameRegEx;
+	wregex searchRegEx;
+
+	vector<boolean_t> currentSearchableAttributes;
+	vector<string_t> currentRecord;
+	integer_t currentAttributeIndex = 0;
+	boolean_t includeCurrentRecord = false;
+	boolean_t filterCurrentRelation = false;
+
+public:
+
+	GrepHandler(ostream& output, const vector<string_t>& arguments) {
+		relationalWriter.reset(writer::Factory::create(output));
+
+		if (arguments.size() == 3) {
+			relationNameRegEx = wregex(arguments[0]);
+			attributeNameRegEx = wregex(arguments[1]);
+			searchRegEx = wregex(arguments[2]);
+		} else {
+			throw cli::RelpipeCLIException(L"Usage: relpipe-tr-cut <relationNameRegExp> <attributeNameRegExp> <searchRegExp>", cli::CLI::EXIT_CODE_UNKNOWN_COMMAND);
+		}
+	}
+
+	void startRelation(string_t name, vector<AttributeMetadata> attributes) override {
+		// TODO: move to a reusable method (or use same metadata on both reader and writer side?)
+		vector<writer::AttributeMetadata> writerMetadata;
+		for (AttributeMetadata readerMetadata : attributes) {
+			writerMetadata.push_back({readerMetadata.getAttributeName(), relationalWriter->toTypeId(readerMetadata.getTypeName())});
+		}
+
+
+		currentRecord.resize(attributes.size());
+		currentSearchableAttributes.resize(attributes.size(), false);
+		filterCurrentRelation = regex_match(name, relationNameRegEx);
+		if (filterCurrentRelation) {
+			for (int i = 0; i < currentSearchableAttributes.size(); i++) {
+				currentSearchableAttributes[i] = regex_match(attributes[i].getAttributeName(), attributeNameRegEx);
+			}
+		}
+
+		relationalWriter->startRelation(name, writerMetadata, true);
+	}
+
+	void attribute(const string_t& value) override {
+		if (filterCurrentRelation) {
+			currentRecord[currentAttributeIndex] = value;
+
+			if (currentSearchableAttributes[currentAttributeIndex]) {
+				includeCurrentRecord |= regex_search(value, searchRegEx);
+			}
+
+			currentAttributeIndex++;
+
+			if (currentAttributeIndex > 0 && currentAttributeIndex % currentSearchableAttributes.size() == 0) {
+				if (includeCurrentRecord) for (string_t v : currentRecord) relationalWriter->writeAttribute(v);
+				includeCurrentRecord = false;
+			}
+
+			currentAttributeIndex = currentAttributeIndex % currentSearchableAttributes.size();
+		} else {
+			relationalWriter->writeAttribute(value);
+		}
+	}
+
+	void endOfPipe() {
+
+	}
+
+};
+
+}
+}
+}
diff -r f66c759d1111 -r f06781a5071b src/GrepHandler.h
--- a/src/GrepHandler.h	Mon Dec 10 21:17:26 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,124 +0,0 @@
-/**
- * Relational pipes
- * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-#pragma once
-
-#include <memory>
-#include <string>
-#include <vector>
-#include <iostream>
-#include <sstream>
-#include <locale>
-#include <codecvt>
-#include <regex>
-
-#include <relpipe/reader/typedefs.h>
-#include <relpipe/reader/TypeId.h>
-#include <relpipe/reader/handlers/RelationalReaderStringHandler.h>
-#include <relpipe/reader/handlers/AttributeMetadata.h>
-
-#include <relpipe/writer/Factory.h>
-
-#include <relpipe/cli/RelpipeCLIException.h>
-
-namespace relpipe {
-namespace tr {
-namespace grep {
-
-using namespace std;
-using namespace relpipe;
-using namespace relpipe::reader;
-using namespace relpipe::reader::handlers;
-
-class GrepHandler : public RelationalReaderStringHadler {
-private:
-	shared_ptr<writer::RelationalWriter> relationalWriter;
-
-	wregex relationNameRegEx;
-	wregex attributeNameRegEx;
-	wregex searchRegEx;
-
-	vector<boolean_t> currentSearchableAttributes;
-	vector<string_t> currentRecord;
-	integer_t currentAttributeIndex = 0;
-	boolean_t includeCurrentRecord = false;
-	boolean_t filterCurrentRelation = false;
-
-public:
-
-	GrepHandler(ostream& output, const vector<string_t>& arguments) {
-		relationalWriter.reset(writer::Factory::create(output));
-
-		if (arguments.size() == 3) {
-			relationNameRegEx = wregex(arguments[0]);
-			attributeNameRegEx = wregex(arguments[1]);
-			searchRegEx = wregex(arguments[2]);
-		} else {
-			throw cli::RelpipeCLIException(L"Usage: relpipe-tr-grep <relationNameRegExp> <attributeNameRegExp> <searchRegExp>", cli::CLI::EXIT_CODE_UNKNOWN_COMMAND);
-		}
-	}
-
-	void startRelation(string_t name, vector<AttributeMetadata> attributes) override {
-		// TODO: move to a reusable method (or use same metadata on both reader and writer side?)
-		vector<writer::AttributeMetadata> writerMetadata;
-		for (AttributeMetadata readerMetadata : attributes) {
-			writerMetadata.push_back({readerMetadata.getAttributeName(), relationalWriter->toTypeId(readerMetadata.getTypeName())});
-		}
-
-
-		currentRecord.resize(attributes.size());
-		currentSearchableAttributes.resize(attributes.size(), false);
-		filterCurrentRelation = regex_match(name, relationNameRegEx);
-		if (filterCurrentRelation) {
-			for (int i = 0; i < currentSearchableAttributes.size(); i++) {
-				currentSearchableAttributes[i] = regex_match(attributes[i].getAttributeName(), attributeNameRegEx);
-			}
-		}
-
-		relationalWriter->startRelation(name, writerMetadata, true);
-	}
-
-	void attribute(const string_t& value) override {
-		if (filterCurrentRelation) {
-			currentRecord[currentAttributeIndex] = value;
-
-			if (currentSearchableAttributes[currentAttributeIndex]) {
-				includeCurrentRecord |= regex_search(value, searchRegEx);
-			}
-
-			currentAttributeIndex++;
-
-			if (currentAttributeIndex > 0 && currentAttributeIndex % currentSearchableAttributes.size() == 0) {
-				if (includeCurrentRecord) for (string_t v : currentRecord) relationalWriter->writeAttribute(v);
-				includeCurrentRecord = false;
-			}
-
-			currentAttributeIndex = currentAttributeIndex % currentSearchableAttributes.size();
-		} else {
-			relationalWriter->writeAttribute(value);
-		}
-	}
-
-	void endOfPipe() {
-
-	}
-
-};
-
-}
-}
-}
diff -r f66c759d1111 -r f06781a5071b src/relpipe-tr-cut.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/relpipe-tr-cut.cpp	Wed Dec 12 23:45:46 2018 +0100
@@ -0,0 +1,67 @@
+/**
+ * Relational pipes
+ * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <cstdio>
+#include <cstdlib>
+#include <memory>
+
+#include <relpipe/cli/CLI.h>
+#include <relpipe/cli/RelpipeCLIException.h>
+
+#include <relpipe/reader/Factory.h>
+#include <relpipe/reader/RelationalReader.h>
+#include <relpipe/reader/RelpipeReaderException.h>
+
+#include <relpipe/writer/RelationalWriter.h>
+#include <relpipe/writer/RelpipeWriterException.h>
+#include <relpipe/writer/Factory.h>
+#include <relpipe/writer/TypeId.h>
+
+#include "CutHandler.h"
+
+using namespace relpipe::cli;
+using namespace relpipe::reader;
+using namespace relpipe::tr::grep;
+
+int main(int argc, char**argv) {
+	setlocale(LC_ALL, "");
+	CLI::untieStdIO();
+	CLI cli(argc, argv);
+
+	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
+
+	try {
+		std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));
+		GrepHandler handler(std::cout, cli.arguments());
+		reader->addHandler(&handler);
+		reader->process();
+
+		resultCode = CLI::EXIT_CODE_SUCCESS;
+
+	} catch (RelpipeCLIException& e) {
+		fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessge().c_str());
+		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
+		resultCode = e.getExitCode();
+	} catch (RelpipeReaderException& e) {
+		fwprintf(stderr, L"Caught Reader exception: %ls\n", e.getMessge().c_str());
+		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
+		resultCode = CLI::EXIT_CODE_DATA_ERROR;
+	}
+
+	return resultCode;
+}
diff -r f66c759d1111 -r f06781a5071b src/relpipe-tr-grep.cpp
--- a/src/relpipe-tr-grep.cpp	Mon Dec 10 21:17:26 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,67 +0,0 @@
-/**
- * Relational pipes
- * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <cstdio>
-#include <cstdlib>
-#include <memory>
-
-#include <relpipe/cli/CLI.h>
-#include <relpipe/cli/RelpipeCLIException.h>
-
-#include <relpipe/reader/Factory.h>
-#include <relpipe/reader/RelationalReader.h>
-#include <relpipe/reader/RelpipeReaderException.h>
-
-#include <relpipe/writer/RelationalWriter.h>
-#include <relpipe/writer/RelpipeWriterException.h>
-#include <relpipe/writer/Factory.h>
-#include <relpipe/writer/TypeId.h>
-
-#include "GrepHandler.h"
-
-using namespace relpipe::cli;
-using namespace relpipe::reader;
-using namespace relpipe::tr::grep;
-
-int main(int argc, char**argv) {
-	setlocale(LC_ALL, "");
-	CLI::untieStdIO();
-	CLI cli(argc, argv);
-
-	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
-
-	try {
-		std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));
-		GrepHandler handler(std::cout, cli.arguments());
-		reader->addHandler(&handler);
-		reader->process();
-
-		resultCode = CLI::EXIT_CODE_SUCCESS;
-
-	} catch (RelpipeCLIException& e) {
-		fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessge().c_str());
-		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
-		resultCode = e.getExitCode();
-	} catch (RelpipeReaderException& e) {
-		fwprintf(stderr, L"Caught Reader exception: %ls\n", e.getMessge().c_str());
-		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
-		resultCode = CLI::EXIT_CODE_DATA_ERROR;
-	}
-
-	return resultCode;
-}