diff options
Diffstat (limited to 'kpdf/xpdf/goo/GString.h')
-rw-r--r-- | kpdf/xpdf/goo/GString.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/kpdf/xpdf/goo/GString.h b/kpdf/xpdf/goo/GString.h new file mode 100644 index 00000000..dd22e2d8 --- /dev/null +++ b/kpdf/xpdf/goo/GString.h @@ -0,0 +1,136 @@ +//======================================================================== +// +// GString.h +// +// Simple variable-length string type. +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef GSTRING_H +#define GSTRING_H + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +#include <stdarg.h> +#include "gtypes.h" + +class GString { +public: + + // Create an empty string. + GString(); + + // Create a string from a C string. + GString(const char *sA); + + // Create a string from <lengthA> chars at <sA>. This string + // can contain null characters. + GString(const char *sA, int lengthA); + + // Create a string from <lengthA> chars at <idx> in <str>. + GString(GString *str, int idx, int lengthA); + + // Copy a string. + GString(GString *str); + GString *copy() { return new GString(this); } + + // Concatenate two strings. + GString(GString *str1, GString *str2); + + // Convert an integer to a string. + static GString *fromInt(int x); + + // Create a formatted string. Similar to printf, but without the + // string overflow issues. Formatting elements consist of: + // {<arg>:[<width>][.<precision>]<type>} + // where: + // - <arg> is the argument number (arg 0 is the first argument + // following the format string) -- NB: args must be first used in + // order; they can be reused in any order + // - <width> is the field width -- negative to reverse the alignment; + // starting with a leading zero to zero-fill (for integers) + // - <precision> is the number of digits to the right of the decimal + // point (for floating point numbers) + // - <type> is one of: + // d, x, o, b -- int in decimal, hex, octal, binary + // ud, ux, uo, ub -- unsigned int + // ld, lx, lo, lb, uld, ulx, ulo, ulb -- long, unsigned long + // f, g -- double + // c -- char + // s -- string (char *) + // t -- GString * + // w -- blank space; arg determines width + // To get literal curly braces, use {{ or }}. + static GString *format(char *fmt, ...); + static GString *formatv(char *fmt, va_list argList); + + // Destructor. + ~GString(); + + // Get length. + int getLength() { return length; } + + // Get C string. + char *getCString() { return s; } + + // Get <i>th character. + char getChar(int i) { return s[i]; } + + // Change <i>th character. + void setChar(int i, char c) { s[i] = c; } + + // Clear string to zero length. + GString *clear(); + + // Append a character or string. + GString *append(char c); + GString *append(GString *str); + GString *append(const char *str); + GString *append(const char *str, int lengthA); + + // Append a formatted string. + GString *appendf(char *fmt, ...); + GString *appendfv(char *fmt, va_list argList); + + // Insert a character or string. + GString *insert(int i, char c); + GString *insert(int i, GString *str); + GString *insert(int i, const char *str); + GString *insert(int i, const char *str, int lengthA); + + // Delete a character or range of characters. + GString *del(int i, int n = 1); + + // Convert string to all-upper/all-lower case. + GString *upperCase(); + GString *lowerCase(); + + // Compare two strings: -1:< 0:= +1:> + int cmp(GString *str); + int cmpN(GString *str, int n); + int cmp(const char *sA); + int cmpN(const char *sA, int n); + +private: + + int length; + char *s; + + void resize(int length1); + static void formatInt(long x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + char **p, int *len); + static void formatUInt(Gulong x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + char **p, int *len); + static void formatDouble(double x, char *buf, int bufSize, int prec, + GBool trim, char **p, int *len); +}; + +#endif |