Add thin wrapper around pcre.h

GbRegex.cpp

@@ -0,0 +1,68 @@
+#include "GbRegex.h"
+#include "Log.h"
+#include <string.h>
+
+GbRegex::GbRegex(const char *pattern, int options, int study_options)
+	: m_pattern(pattern)
+	, m_pcre(NULL)
+	, m_extra(NULL)
+	, m_compile_options(options)
+	, m_compile_error(NULL)
+	, m_compile_error_offset(0)
+	, m_study_options(study_options)
+	, m_study_error(NULL) {
+	m_pcre = pcre_compile(m_pattern.c_str(), m_compile_options, &m_compile_error, &m_compile_error_offset, NULL);
+	if (m_pcre) {
+		m_extra = pcre_study(m_pcre, m_study_options, &m_study_error);
+
+		if (m_study_error) {
+			log(LOG_INFO, "GbRegex: pcre_study error='%s'", m_study_error);
+		}
+	} else {
+		if (m_compile_error) {
+			log(LOG_INFO, "GbRegex: pcre_compile error='%s'", m_compile_error);
+		}
+	}
+}
+
+GbRegex::GbRegex(const GbRegex& rhs) {
+	m_pattern = rhs.m_pattern;
+	m_compile_options = rhs.m_compile_options;
+	m_study_options = rhs.m_study_options;
+
+	m_pcre = pcre_compile(m_pattern.c_str(), m_compile_options, &m_compile_error, &m_compile_error_offset, NULL);
+	if (m_pcre) {
+		m_extra = pcre_study(m_pcre, m_study_options, &m_study_error);
+
+		if (m_study_error) {
+			log(LOG_INFO, "GbRegex: pcre_study error='%s'", m_study_error);
+		}
+	} else {
+		if (m_compile_error) {
+			log(LOG_INFO, "GbRegex: pcre_compile error='%s'", m_compile_error);
+		}
+	}
+}
+
+GbRegex::~GbRegex() {
+	if (m_extra) {
+		pcre_free_study(m_extra);
+	}
+
+	if (m_pcre) {
+		pcre_free(m_pcre);
+	}
+}
+
+bool GbRegex::match(const char *subject, int options) const {
+	if (hasError()) {
+		log(LOG_WARN, "GbRegex: has error during compilation(%s) or study(%s)", m_compile_error, m_study_error);
+		return false;
+	}
+
+	return (pcre_exec(m_pcre, m_extra, subject, strlen(subject), 0, options, NULL, 0) >= 0);
+}
+
+bool GbRegex::hasError() const {
+	return (m_compile_error != NULL || m_study_error != NULL);
+}

GbRegex.h

@@ -0,0 +1,31 @@
+#ifndef GB_GBREGEX_H
+#define GB_GBREGEX_H
+
+#include <pcre.h>
+#include <string>
+
+class GbRegex {
+public:
+	GbRegex(const char *pattern, int options = 0, int study_options = 0);
+	GbRegex(const GbRegex &rhs);
+
+	~GbRegex();
+
+	bool match(const char *subject, int options = 0) const;
+	bool hasError() const;
+private:
+	std::string m_pattern;
+
+	pcre *m_pcre;
+	pcre_extra *m_extra;
+
+	int m_compile_options;
+	const char *m_compile_error;
+	int m_compile_error_offset;
+
+	int m_study_options;
+	const char *m_study_error;
+};
+
+
+#endif //GB_GBREGEX_H

Makefile

@@ -73,6 +73,7 @@ OBJS_O3 = \
 	GbMakePath.o \
 	GbUtil.o \
 	GbCompress.o \
+	GbRegex.o \
 
 
 OBJS = $(OBJS_O0) $(OBJS_O1) $(OBJS_O2) $(OBJS_O3)
@@ -222,7 +223,7 @@ CPPFLAGS += -Wno-format-nonliteral
 
 endif
 
-LIBS = -lm -lpthread -lssl -lcrypto -lz
+LIBS = -lm -lpthread -lssl -lcrypto -lz -lpcre
 
 # to build static libiconv.a do a './configure --enable-static' then 'make' in the iconv directory