summaryrefslogtreecommitdiffstats
path: root/external_libs/yaml-cpp/src/regex.h
diff options
context:
space:
mode:
Diffstat (limited to 'external_libs/yaml-cpp/src/regex.h')
-rw-r--r--external_libs/yaml-cpp/src/regex.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/external_libs/yaml-cpp/src/regex.h b/external_libs/yaml-cpp/src/regex.h
new file mode 100644
index 00000000..8722e626
--- /dev/null
+++ b/external_libs/yaml-cpp/src/regex.h
@@ -0,0 +1,67 @@
+#ifndef REGEX_H_62B23520_7C8E_11DE_8A39_0800200C9A66
+#define REGEX_H_62B23520_7C8E_11DE_8A39_0800200C9A66
+
+#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
+#pragma once
+#endif
+
+
+#include <vector>
+#include <string>
+
+namespace YAML
+{
+ class Stream;
+
+ enum REGEX_OP { REGEX_EMPTY, REGEX_MATCH, REGEX_RANGE, REGEX_OR, REGEX_AND, REGEX_NOT, REGEX_SEQ };
+
+ // simplified regular expressions
+ // . Only straightforward matches (no repeated characters)
+ // . Only matches from start of string
+ class RegEx
+ {
+ public:
+ RegEx();
+ RegEx(char ch);
+ RegEx(char a, char z);
+ RegEx(const std::string& str, REGEX_OP op = REGEX_SEQ);
+ ~RegEx() {}
+
+ friend RegEx operator ! (const RegEx& ex);
+ friend RegEx operator || (const RegEx& ex1, const RegEx& ex2);
+ friend RegEx operator && (const RegEx& ex1, const RegEx& ex2);
+ friend RegEx operator + (const RegEx& ex1, const RegEx& ex2);
+
+ bool Matches(char ch) const;
+ bool Matches(const std::string& str) const;
+ bool Matches(const Stream& in) const;
+ template <typename Source> bool Matches(const Source& source) const;
+
+ int Match(const std::string& str) const;
+ int Match(const Stream& in) const;
+ template <typename Source> int Match(const Source& source) const;
+
+ private:
+ RegEx(REGEX_OP op);
+
+ template <typename Source> bool IsValidSource(const Source& source) const;
+ template <typename Source> int MatchUnchecked(const Source& source) const;
+
+ template <typename Source> int MatchOpEmpty(const Source& source) const;
+ template <typename Source> int MatchOpMatch(const Source& source) const;
+ template <typename Source> int MatchOpRange(const Source& source) const;
+ template <typename Source> int MatchOpOr(const Source& source) const;
+ template <typename Source> int MatchOpAnd(const Source& source) const;
+ template <typename Source> int MatchOpNot(const Source& source) const;
+ template <typename Source> int MatchOpSeq(const Source& source) const;
+
+ private:
+ REGEX_OP m_op;
+ char m_a, m_z;
+ std::vector <RegEx> m_params;
+ };
+}
+
+#include "regeximpl.h"
+
+#endif // REGEX_H_62B23520_7C8E_11DE_8A39_0800200C9A66