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Diffstat (limited to 'release_23/include/llvm/ADT/StringExtras.h')
| -rw-r--r-- | release_23/include/llvm/ADT/StringExtras.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/release_23/include/llvm/ADT/StringExtras.h b/release_23/include/llvm/ADT/StringExtras.h deleted file mode 100644 index 87b8ba6596a1..000000000000 --- a/release_23/include/llvm/ADT/StringExtras.h +++ /dev/null @@ -1,197 +0,0 @@ -//===-- llvm/ADT/StringExtras.h - Useful string functions -------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file contains some functions that are useful when dealing with strings. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_ADT_STRINGEXTRAS_H -#define LLVM_ADT_STRINGEXTRAS_H - -#include "llvm/Support/DataTypes.h" -#include "llvm/ADT/APFloat.h" -#include <cctype> -#include <cstdio> -#include <string> -#include <vector> - -namespace llvm { - -static inline std::string utohexstr(uint64_t X) { - char Buffer[40]; - char *BufPtr = Buffer+39; - - *BufPtr = 0; // Null terminate buffer... - if (X == 0) *--BufPtr = '0'; // Handle special case... - - while (X) { - unsigned char Mod = static_cast<unsigned char>(X) & 15; - if (Mod < 10) - *--BufPtr = '0' + Mod; - else - *--BufPtr = 'A' + Mod-10; - X >>= 4; - } - return std::string(BufPtr); -} - -static inline std::string utostr_32(uint32_t X, bool isNeg = false) { - char Buffer[20]; - char *BufPtr = Buffer+19; - - *BufPtr = 0; // Null terminate buffer... - if (X == 0) *--BufPtr = '0'; // Handle special case... - - while (X) { - *--BufPtr = '0' + char(X % 10); - X /= 10; - } - - if (isNeg) *--BufPtr = '-'; // Add negative sign... - - return std::string(BufPtr); -} - -static inline std::string utostr(uint64_t X, bool isNeg = false) { - if (X == uint32_t(X)) - return utostr_32(uint32_t(X), isNeg); - - char Buffer[40]; - char *BufPtr = Buffer+39; - - *BufPtr = 0; // Null terminate buffer... - if (X == 0) *--BufPtr = '0'; // Handle special case... - - while (X) { - *--BufPtr = '0' + char(X % 10); - X /= 10; - } - - if (isNeg) *--BufPtr = '-'; // Add negative sign... - return std::string(BufPtr); -} - - -static inline std::string itostr(int64_t X) { - if (X < 0) - return utostr(static_cast<uint64_t>(-X), true); - else - return utostr(static_cast<uint64_t>(X)); -} - -static inline std::string itohexstr(int64_t X) { - return utohexstr(static_cast<uint64_t>(X)); -} - -static inline std::string ftostr(double V) { - char Buffer[200]; - sprintf(Buffer, "%20.6e", V); - char *B = Buffer; - while (*B == ' ') ++B; - return B; -} - -static inline std::string ftostr(const APFloat& V) { - if (&V.getSemantics() == &APFloat::IEEEdouble) - return ftostr(V.convertToDouble()); - else if (&V.getSemantics() == &APFloat::IEEEsingle) - return ftostr((double)V.convertToFloat()); - return "<unknown format in ftostr>"; // error -} - -static inline std::string LowercaseString(const std::string &S) { - std::string result(S); - for (unsigned i = 0; i < S.length(); ++i) - if (isupper(result[i])) - result[i] = char(tolower(result[i])); - return result; -} - -static inline std::string UppercaseString(const std::string &S) { - std::string result(S); - for (unsigned i = 0; i < S.length(); ++i) - if (islower(result[i])) - result[i] = char(toupper(result[i])); - return result; -} - -/// StringsEqualNoCase - Return true if the two strings are equal, ignoring -/// case. -static inline bool StringsEqualNoCase(const std::string &LHS, - const std::string &RHS) { - if (LHS.size() != RHS.size()) return false; - for (unsigned i = 0, e = static_cast<unsigned>(LHS.size()); i != e; ++i) - if (tolower(LHS[i]) != tolower(RHS[i])) return false; - return true; -} - -/// StringsEqualNoCase - Return true if the two strings are equal, ignoring -/// case. -static inline bool StringsEqualNoCase(const std::string &LHS, - const char *RHS) { - for (unsigned i = 0, e = static_cast<unsigned>(LHS.size()); i != e; ++i) { - if (RHS[i] == 0) return false; // RHS too short. - if (tolower(LHS[i]) != tolower(RHS[i])) return false; - } - return RHS[LHS.size()] == 0; // Not too long? -} - -/// CStrInCStrNoCase - Portable version of strcasestr. Locates the first -/// occurance of c-string 's2' in string 's1', ignoring case. Returns -/// NULL if 's2' cannot be found. -static inline const char* CStrInCStrNoCase(const char *s1, const char *s2) { - - // Are either strings NULL or empty? - if (!s1 || !s2 || s1[0] == '\0' || s2[0] == '\0') - return 0; - - if (s1 == s2) - return s1; - - const char *I1=s1, *I2=s2; - - while (*I1 != '\0' || *I2 != '\0' ) - if (tolower(*I1) != tolower(*I2)) { // No match. Start over. - ++s1; I1 = s1; I2 = s2; - } - else { // Character match. Advance to the next character. - ++I1; ++I2; - } - - // If we exhausted all of the characters in 's2', then 's2' appears in 's1'. - return *I2 == '\0' ? s1 : 0; -} - -/// getToken - This function extracts one token from source, ignoring any -/// leading characters that appear in the Delimiters string, and ending the -/// token at any of the characters that appear in the Delimiters string. If -/// there are no tokens in the source string, an empty string is returned. -/// The Source source string is updated in place to remove the returned string -/// and any delimiter prefix from it. -std::string getToken(std::string &Source, - const char *Delimiters = " \t\n\v\f\r"); - -/// SplitString - Split up the specified string according to the specified -/// delimiters, appending the result fragments to the output list. -void SplitString(const std::string &Source, - std::vector<std::string> &OutFragments, - const char *Delimiters = " \t\n\v\f\r"); - -/// UnescapeString - Modify the argument string, turning two character sequences -/// like '\\' 'n' into '\n'. This handles: \e \a \b \f \n \r \t \v \' \\ and -/// \num (where num is a 1-3 byte octal value). -void UnescapeString(std::string &Str); - -/// EscapeString - Modify the argument string, turning '\\' and anything that -/// doesn't satisfy std::isprint into an escape sequence. -void EscapeString(std::string &Str); - -} // End llvm namespace - -#endif |