X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fxpdf%2FGString.cc;fp=lib%2Fxpdf%2FGString.cc;h=049dcf38dc93b88a99e82a4dc9c092ab818c8391;hb=1279e7201aaf80eca58ad982ec11de68c85631af;hp=0000000000000000000000000000000000000000;hpb=e40d573cbf6659328121d0383d6d5ac8acd58c34;p=swftools.git diff --git a/lib/xpdf/GString.cc b/lib/xpdf/GString.cc new file mode 100644 index 0000000..049dcf3 --- /dev/null +++ b/lib/xpdf/GString.cc @@ -0,0 +1,319 @@ +//======================================================================== +// +// GString.cc +// +// Simple variable-length string type. +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#include + +#ifdef USE_GCC_PRAGMAS +#pragma implementation +#endif + +#include +#include +#include +#include +#include "gtypes.h" +#include "GString.h" + +static inline int size(int len) { + int delta; + + delta = len < 256 ? 7 : 255; + return ((len + 1) + delta) & ~delta; +} + +inline void GString::resize(int length1) { + char *s1; + + if (!s) { + s = new char[size(length1)]; + } else if (size(length1) != size(length)) { + s1 = new char[size(length1)]; + if (length1 < length) { + memcpy(s1, s, length1); + s1[length1] = '\0'; + } else { + memcpy(s1, s, length + 1); + } + delete[] s; + s = s1; + } +} + +GString::GString() { + s = NULL; + resize(length = 0); + s[0] = '\0'; +} + +GString::GString(const char *sA) { + int n = strlen(sA); + + s = NULL; + resize(length = n); + memcpy(s, sA, n + 1); +} + +GString::GString(const char *sA, int lengthA) { + s = NULL; + resize(length = lengthA); + memcpy(s, sA, length * sizeof(char)); + s[length] = '\0'; +} + +GString::GString(GString *str, int idx, int lengthA) { + s = NULL; + resize(length = lengthA); + memcpy(s, str->getCString() + idx, length); + s[length] = '\0'; +} + +GString::GString(GString *str) { + s = NULL; + resize(length = str->getLength()); + memcpy(s, str->getCString(), length + 1); +} + +GString::GString(GString *str1, GString *str2) { + int n1 = str1->getLength(); + int n2 = str2->getLength(); + + s = NULL; + resize(length = n1 + n2); + memcpy(s, str1->getCString(), n1); + memcpy(s + n1, str2->getCString(), n2 + 1); +} + +GString *GString::fromInt(int x) { + char buf[24]; // enough space for 64-bit ints plus a little extra + GBool neg; + Guint y; + int i; + + i = 24; + if (x == 0) { + buf[--i] = '0'; + } else { + if ((neg = x < 0)) { + y = (Guint)-x; + } else { + y = (Guint)x; + } + while (i > 0 && y > 0) { + buf[--i] = '0' + y % 10; + y /= 10; + } + if (neg && i > 0) { + buf[--i] = '-'; + } + } + return new GString(buf + i, 24 - i); +} + +GString::~GString() { + delete[] s; +} + +GString *GString::clear() { + s[length = 0] = '\0'; + resize(0); + return this; +} + +GString *GString::append(char c) { + resize(length + 1); + s[length++] = c; + s[length] = '\0'; + return this; +} + +GString *GString::append(GString *str) { + int n = str->getLength(); + + resize(length + n); + memcpy(s + length, str->getCString(), n + 1); + length += n; + return this; +} + +GString *GString::append(const char *str) { + int n = strlen(str); + + resize(length + n); + memcpy(s + length, str, n + 1); + length += n; + return this; +} + +GString *GString::append(const char *str, int lengthA) { + resize(length + lengthA); + memcpy(s + length, str, lengthA); + length += lengthA; + s[length] = '\0'; + return this; +} + +GString *GString::insert(int i, char c) { + int j; + + resize(length + 1); + for (j = length + 1; j > i; --j) + s[j] = s[j-1]; + s[i] = c; + ++length; + return this; +} + +GString *GString::insert(int i, GString *str) { + int n = str->getLength(); + int j; + + resize(length + n); + for (j = length; j >= i; --j) + s[j+n] = s[j]; + memcpy(s+i, str->getCString(), n); + length += n; + return this; +} + +GString *GString::insert(int i, const char *str) { + int n = strlen(str); + int j; + + resize(length + n); + for (j = length; j >= i; --j) + s[j+n] = s[j]; + memcpy(s+i, str, n); + length += n; + return this; +} + +GString *GString::insert(int i, const char *str, int lengthA) { + int j; + + resize(length + lengthA); + for (j = length; j >= i; --j) + s[j+lengthA] = s[j]; + memcpy(s+i, str, lengthA); + length += lengthA; + return this; +} + +GString *GString::del(int i, int n) { + int j; + + if (n > 0) { + if (i + n > length) { + n = length - i; + } + for (j = i; j <= length - n; ++j) { + s[j] = s[j + n]; + } + resize(length -= n); + } + return this; +} + +GString *GString::upperCase() { + int i; + + for (i = 0; i < length; ++i) { + if (islower(s[i])) + s[i] = toupper(s[i]); + } + return this; +} + +GString *GString::lowerCase() { + int i; + + for (i = 0; i < length; ++i) { + if (isupper(s[i])) + s[i] = tolower(s[i]); + } + return this; +} + +int GString::cmp(GString *str) { + int n1, n2, i, x; + char *p1, *p2; + + n1 = length; + n2 = str->length; + for (i = 0, p1 = s, p2 = str->s; i < n1 && i < n2; ++i, ++p1, ++p2) { + x = *p1 - *p2; + if (x != 0) { + return x; + } + } + return n1 - n2; +} + +int GString::cmpN(GString *str, int n) { + int n1, n2, i, x; + char *p1, *p2; + + n1 = length; + n2 = str->length; + for (i = 0, p1 = s, p2 = str->s; + i < n1 && i < n2 && i < n; + ++i, ++p1, ++p2) { + x = *p1 - *p2; + if (x != 0) { + return x; + } + } + if (i == n) { + return 0; + } + return n1 - n2; +} + +int GString::cmp(const char *sA) { + int n1, i, x; + const char *p1, *p2; + + n1 = length; + for (i = 0, p1 = s, p2 = sA; i < n1 && *p2; ++i, ++p1, ++p2) { + x = *p1 - *p2; + if (x != 0) { + return x; + } + } + if (i < n1) { + return 1; + } + if (*p2) { + return -1; + } + return 0; +} + +int GString::cmpN(const char *sA, int n) { + int n1, i, x; + const char *p1, *p2; + + n1 = length; + for (i = 0, p1 = s, p2 = sA; i < n1 && *p2 && i < n; ++i, ++p1, ++p2) { + x = *p1 - *p2; + if (x != 0) { + return x; + } + } + if (i == n) { + return 0; + } + if (i < n1) { + return 1; + } + if (*p2) { + return -1; + } + return 0; +}