Working on generating string literals for inclusion in generated code.

pglablib/codebuilder/DefaultConfigs.cpp

@@ -65,6 +65,7 @@ for (auto row: result) {
 	return t;
 }
 
+
 std::shared_ptr<LanguageConfig> buildPglabCppLanguageConfig()
 {
 	auto config = std::make_shared<LanguageConfig>();

pglablib/codebuilder/StringEscapeRule.cpp

@@ -0,0 +1,8 @@
+#include "StringEscapeRule.h"
+
+/**
+ */
+QString convert(QStringRef in, ConvertToNumericEscape conversion, NumericEscapeFormat format, QString prefix)
+{
+	return "";
+}

pglablib/codebuilder/StringEscapeRule.h

@@ -0,0 +1,47 @@
+#ifndef STRINGESCAPERULE_H
+#define STRINGESCAPERULE_H
+
+#include <QString>
+#include <boost/optional.hpp>
+
+enum class ConvertToNumericEscape {
+	Utf8, ///< Generates upto four escapes for 4 utf8 chars
+	Utf16, ///< Generates upto four escapes for 2 utf16 chars
+	Utf32, ///< Generates a single escape for the unicode codepoint
+};
+
+
+enum class NumericEscapeFormat {
+	Decimal,
+	HexUpper,
+	HexLower
+};
+
+class CharToNumericConversion {
+public:
+	ConvertToNumericEscape m_toNumericEscape;
+	NumericEscapeFormat m_numericEscapeFormat;
+	int m_minNumericDigits, m_maxNumericDigits;
+};
+
+/** The basic method of applying a StringEscapeRule is to find all matches
+ * in the string for the m_matchRegex.
+ *
+ * if m_numericConversion is set then the match is taken out of the string and replaced
+ * with one or more numerical escapes.
+ * if no conversion is needed the match is simple prefixed with m_prefixWidth
+ */
+class StringEscapeRule {
+public:
+	/** Regular expression that finds characters in the string that need replacing.
+	 * Each character to replace should always generate one match.
+	 */
+	QString m_matchRegex;
+	/** As often a simple escape character like \ or a doubling scheme is used this
+	 * field often provides enough flexibility.
+	 */
+	QString m_prefixWith;
+//	boost::optional<CharToNumericConversion> m_numericConversion;
+};
+
+#endif // STRINGESCAPERULE_H

pglablib/codebuilder/StringLiteralRules.cpp

@@ -0,0 +1,10 @@
+#include "StringLiteralRules.h"
+#include <QTextStream>
+
+void StringLiteralRules::OutputString(QTextStream &stream, QString string_literal)
+{
+	stream << m_stringStart;
+
+
+	stream << m_stringEnd;
+}

pglablib/codebuilder/StringLiteralRules.h

@@ -0,0 +1,37 @@
+#ifndef STRINGLITERALRULES_H
+#define STRINGLITERALRULES_H
+
+#include "StringEscapeRule.h"
+#include <vector>
+
+class QTextStream;
+
+class StringLiteralRules {
+public:
+	/** What should be put in front of the string to make it a string literal
+	 *
+	 * For instance a plain char string in C this would just be a double quote "
+	 * But for a C++11 utf8 string literal it would be u8"
+	 */
+	QString m_stringStart;
+	/** Similar to stringStart
+	 */
+	QString m_stringEnd;
+
+	/** If true the assumption is that the newlines
+	 * in the source string are not escaped so no line breaking is done.
+	 * However we should still get a multiline string if the source was.
+	 *
+	 * When false the assumption is that we can split the string using stringEnd,
+	 * stringStart and the concatOperator. There is a preference to split on whitespace.
+	 */
+	bool m_supportsMultiLine;
+	QString m_concatOperator;
+
+	std::vector<StringEscapeRule> m_escapeRules;
+
+	void OutputString(QTextStream &stream, QString string_literal);
+};
+
+
+#endif // STRINGLITERALRULES_H

pglablib/pglablib.pro

@@ -61,7 +61,9 @@ codebuilder/DefaultConfigs.cpp \
 codebuilder/TypeMappings.cpp \
 codebuilder/IndentationConfig.cpp \
 codebuilder/StructureTemplate.cpp \
-    FormatToStream.cpp
+    FormatToStream.cpp \
+    codebuilder/StringLiteralRules.cpp \
+    codebuilder/StringEscapeRule.cpp
 
 HEADERS += \
         Pglablib.h \
@@ -105,7 +107,9 @@ codebuilder/TypeMappings.h \
 codebuilder/IndentationConfig.h \
 codebuilder/StructureTemplate.h \
     FormatToStream.h \
-    codebuilder/ResultLoopTemplate.h
+    codebuilder/ResultLoopTemplate.h \
+    codebuilder/StringEscapeRule.h \
+    codebuilder/StringLiteralRules.h
 
 unix {
     target.path = /usr/lib

tests/pglabtests/pglabtests.pro

@@ -27,7 +27,8 @@ SOURCES +=     main.cpp \
     tst_ParamJson.cpp \
     tst_CodeBuilder.cpp \
     tst_NameManglingRules.cpp \
-    tst_TypeMappings.cpp
+    tst_TypeMappings.cpp \
+    tst_Range.cpp
 
 win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../../core/release/ -lcore
 else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../../core/debug/ -lcore

tests/pglabtests/tst_Range.cpp

@@ -0,0 +1,107 @@
+#include <gtest/gtest.h>
+#include <gmock/gmock-matchers.h>
+#include "PrintTo_Qt.h"
+
+
+template <typename T>
+class Range {
+public:
+	Range(T start, T end, bool incl_start = true, bool incl_end = false)
+		: m_start(start), m_end(end), m_inclStart(incl_start), m_inclEnd(incl_end)
+	{}
+
+	bool includes(T v) const
+	{
+		// assume chance is small that outcome hangs on the edge cases
+		// so we start with testing for definitly outside or definitly inside
+		if (v < m_start || v > m_end)
+			return false;
+		if (v > m_start && v < m_end)
+			return true;
+		// Now the edge cases
+		if (m_inclStart && v == m_start)
+			return true;
+		if (m_inclEnd && v == m_end)
+			return true;
+
+		return false;
+	}
+
+	bool overlap(Range<T> r) const
+	{
+		if ( (r.m_start < m_end || (m_incl))
+			&& r.m_end > m_start)
+			return true;
+
+		return false;
+	}
+private:
+	T m_start;
+	T m_end;
+	bool m_inclStart;
+	bool m_inclEnd;
+};
+
+
+TEST(RangeTest, test_int_includes_before)
+{
+	bool expected = false;
+	Range r(2, 5, true, false);
+	bool result = r.includes(1);
+
+	ASSERT_EQ(result, expected);
+}
+
+TEST(RangeTest, test_int_includes_start_excl)
+{
+	bool expected = false;
+	Range r(2, 5, false, false);
+	bool result = r.includes(2);
+
+	ASSERT_EQ(result, expected);
+}
+
+TEST(RangeTest, test_int_includes_start_incl)
+{
+	bool expected = true;
+	Range r(2, 5, true, false);
+	bool result = r.includes(2);
+
+	ASSERT_EQ(result, expected);
+}
+
+TEST(RangeTest, test_int_includes_mid)
+{
+	bool expected = true;
+	Range r(2, 5, true, false);
+	bool result = r.includes(3);
+
+	ASSERT_EQ(result, expected);
+}
+
+TEST(RangeTest, test_int_includes_end_incl)
+{
+	bool expected = true;
+	Range r(2, 5, true, true);
+	bool result = r.includes(5);
+
+	ASSERT_EQ(result, expected);
+}
+
+TEST(RangeTest, test_int_includes_end_excl)
+{
+	bool expected = false;
+	Range r(2, 5, true, false);
+	bool result = r.includes(5);
+
+	ASSERT_EQ(result, expected);
+}
+
+TEST(RangeTest, test_int_includes_after)
+{
+	bool expected = false;
+	Range r(2, 5, true, false);
+	bool result = r.includes(6);
+
+	ASSERT_EQ(result, expected);
+}