summaryrefslogtreecommitdiffstats
path: root/kpdf/xpdf/goo/GString.cc
diff options
context:
space:
mode:
Diffstat (limited to 'kpdf/xpdf/goo/GString.cc')
-rw-r--r--kpdf/xpdf/goo/GString.cc718
1 files changed, 718 insertions, 0 deletions
diff --git a/kpdf/xpdf/goo/GString.cc b/kpdf/xpdf/goo/GString.cc
new file mode 100644
index 00000000..e21fd3ea
--- /dev/null
+++ b/kpdf/xpdf/goo/GString.cc
@@ -0,0 +1,718 @@
+//========================================================================
+//
+// GString.cc
+//
+// Simple variable-length string type.
+//
+// Copyright 1996-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma implementation
+#endif
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+#include "gmem.h"
+#include "GString.h"
+
+//------------------------------------------------------------------------
+
+union GStringFormatArg {
+ int i;
+ Guint ui;
+ long l;
+ Gulong ul;
+ double f;
+ char c;
+ char *s;
+ GString *gs;
+};
+
+enum GStringFormatType {
+ fmtIntDecimal,
+ fmtIntHex,
+ fmtIntOctal,
+ fmtIntBinary,
+ fmtUIntDecimal,
+ fmtUIntHex,
+ fmtUIntOctal,
+ fmtUIntBinary,
+ fmtLongDecimal,
+ fmtLongHex,
+ fmtLongOctal,
+ fmtLongBinary,
+ fmtULongDecimal,
+ fmtULongHex,
+ fmtULongOctal,
+ fmtULongBinary,
+ fmtDouble,
+ fmtDoubleTrim,
+ fmtChar,
+ fmtString,
+ fmtGString,
+ fmtSpace
+};
+
+static char *formatStrings[] = {
+ "d", "x", "o", "b", "ud", "ux", "uo", "ub",
+ "ld", "lx", "lo", "lb", "uld", "ulx", "ulo", "ulb",
+ "f", "g",
+ "c",
+ "s",
+ "t",
+ "w",
+ NULL
+};
+
+//------------------------------------------------------------------------
+
+static inline int size(int len) {
+ int delta;
+ for (delta = 8; delta < len && delta < 0x100000; delta <<= 1) ;
+ // this is ((len + 1) + (delta - 1)) & ~(delta - 1)
+ return (len + delta) & ~(delta - 1);
+}
+
+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
+ char *p;
+ int len;
+
+ formatInt(x, buf, sizeof(buf), gFalse, 0, 10, &p, &len);
+ return new GString(p, len);
+}
+
+GString *GString::format(char *fmt, ...) {
+ va_list argList;
+ GString *s;
+
+ s = new GString();
+ va_start(argList, fmt);
+ s->appendfv(fmt, argList);
+ va_end(argList);
+ return s;
+}
+
+GString *GString::formatv(char *fmt, va_list argList) {
+ GString *s;
+
+ s = new GString();
+ s->appendfv(fmt, argList);
+ return s;
+}
+
+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::appendf(char *fmt, ...) {
+ va_list argList;
+
+ va_start(argList, fmt);
+ appendfv(fmt, argList);
+ va_end(argList);
+ return this;
+}
+
+GString *GString::appendfv(char *fmt, va_list argList) {
+ GStringFormatArg *args;
+ int argsLen, argsSize;
+ GStringFormatArg arg;
+ int idx, width, prec;
+ GBool reverseAlign, zeroFill;
+ GStringFormatType ft;
+ char buf[65];
+ int len, i;
+ char *p0, *p1, *str;
+
+ argsLen = 0;
+ argsSize = 8;
+ args = (GStringFormatArg *)gmallocn(argsSize, sizeof(GStringFormatArg));
+
+ p0 = fmt;
+ while (*p0) {
+ if (*p0 == '{') {
+ ++p0;
+ if (*p0 == '{') {
+ ++p0;
+ append('{');
+ } else {
+
+ // parse the format string
+ if (!(*p0 >= '0' && *p0 <= '9')) {
+ break;
+ }
+ idx = *p0 - '0';
+ for (++p0; *p0 >= '0' && *p0 <= '9'; ++p0) {
+ idx = 10 * idx + (*p0 - '0');
+ }
+ if (*p0 != ':') {
+ break;
+ }
+ ++p0;
+ if (*p0 == '-') {
+ reverseAlign = gTrue;
+ ++p0;
+ } else {
+ reverseAlign = gFalse;
+ }
+ width = 0;
+ zeroFill = *p0 == '0';
+ for (; *p0 >= '0' && *p0 <= '9'; ++p0) {
+ width = 10 * width + (*p0 - '0');
+ }
+ if (*p0 == '.') {
+ ++p0;
+ prec = 0;
+ for (; *p0 >= '0' && *p0 <= '9'; ++p0) {
+ prec = 10 * prec + (*p0 - '0');
+ }
+ } else {
+ prec = 0;
+ }
+ for (ft = (GStringFormatType)0;
+ formatStrings[ft];
+ ft = (GStringFormatType)(ft + 1)) {
+ if (!strncmp(p0, formatStrings[ft], strlen(formatStrings[ft]))) {
+ break;
+ }
+ }
+ if (!formatStrings[ft]) {
+ break;
+ }
+ p0 += strlen(formatStrings[ft]);
+ if (*p0 != '}') {
+ break;
+ }
+ ++p0;
+
+ // fetch the argument
+ if (idx > argsLen) {
+ break;
+ }
+ if (idx == argsLen) {
+ if (argsLen == argsSize) {
+ argsSize *= 2;
+ args = (GStringFormatArg *)greallocn(args, argsSize,
+ sizeof(GStringFormatArg));
+ }
+ switch (ft) {
+ case fmtIntDecimal:
+ case fmtIntHex:
+ case fmtIntOctal:
+ case fmtIntBinary:
+ case fmtSpace:
+ args[argsLen].i = va_arg(argList, int);
+ break;
+ case fmtUIntDecimal:
+ case fmtUIntHex:
+ case fmtUIntOctal:
+ case fmtUIntBinary:
+ args[argsLen].ui = va_arg(argList, Guint);
+ break;
+ case fmtLongDecimal:
+ case fmtLongHex:
+ case fmtLongOctal:
+ case fmtLongBinary:
+ args[argsLen].l = va_arg(argList, long);
+ break;
+ case fmtULongDecimal:
+ case fmtULongHex:
+ case fmtULongOctal:
+ case fmtULongBinary:
+ args[argsLen].ul = va_arg(argList, Gulong);
+ break;
+ case fmtDouble:
+ case fmtDoubleTrim:
+ args[argsLen].f = va_arg(argList, double);
+ break;
+ case fmtChar:
+ args[argsLen].c = (char)va_arg(argList, int);
+ break;
+ case fmtString:
+ args[argsLen].s = va_arg(argList, char *);
+ break;
+ case fmtGString:
+ args[argsLen].gs = va_arg(argList, GString *);
+ break;
+ }
+ ++argsLen;
+ }
+
+ // format the argument
+ arg = args[idx];
+ switch (ft) {
+ case fmtIntDecimal:
+ formatInt(arg.i, buf, sizeof(buf), zeroFill, width, 10, &str, &len);
+ break;
+ case fmtIntHex:
+ formatInt(arg.i, buf, sizeof(buf), zeroFill, width, 16, &str, &len);
+ break;
+ case fmtIntOctal:
+ formatInt(arg.i, buf, sizeof(buf), zeroFill, width, 8, &str, &len);
+ break;
+ case fmtIntBinary:
+ formatInt(arg.i, buf, sizeof(buf), zeroFill, width, 2, &str, &len);
+ break;
+ case fmtUIntDecimal:
+ formatUInt(arg.ui, buf, sizeof(buf), zeroFill, width, 10,
+ &str, &len);
+ break;
+ case fmtUIntHex:
+ formatUInt(arg.ui, buf, sizeof(buf), zeroFill, width, 16,
+ &str, &len);
+ break;
+ case fmtUIntOctal:
+ formatUInt(arg.ui, buf, sizeof(buf), zeroFill, width, 8, &str, &len);
+ break;
+ case fmtUIntBinary:
+ formatUInt(arg.ui, buf, sizeof(buf), zeroFill, width, 2, &str, &len);
+ break;
+ case fmtLongDecimal:
+ formatInt(arg.l, buf, sizeof(buf), zeroFill, width, 10, &str, &len);
+ break;
+ case fmtLongHex:
+ formatInt(arg.l, buf, sizeof(buf), zeroFill, width, 16, &str, &len);
+ break;
+ case fmtLongOctal:
+ formatInt(arg.l, buf, sizeof(buf), zeroFill, width, 8, &str, &len);
+ break;
+ case fmtLongBinary:
+ formatInt(arg.l, buf, sizeof(buf), zeroFill, width, 2, &str, &len);
+ break;
+ case fmtULongDecimal:
+ formatUInt(arg.ul, buf, sizeof(buf), zeroFill, width, 10,
+ &str, &len);
+ break;
+ case fmtULongHex:
+ formatUInt(arg.ul, buf, sizeof(buf), zeroFill, width, 16,
+ &str, &len);
+ break;
+ case fmtULongOctal:
+ formatUInt(arg.ul, buf, sizeof(buf), zeroFill, width, 8, &str, &len);
+ break;
+ case fmtULongBinary:
+ formatUInt(arg.ul, buf, sizeof(buf), zeroFill, width, 2, &str, &len);
+ break;
+ case fmtDouble:
+ formatDouble(arg.f, buf, sizeof(buf), prec, gFalse, &str, &len);
+ break;
+ case fmtDoubleTrim:
+ formatDouble(arg.f, buf, sizeof(buf), prec, gTrue, &str, &len);
+ break;
+ case fmtChar:
+ buf[0] = arg.c;
+ str = buf;
+ len = 1;
+ reverseAlign = !reverseAlign;
+ break;
+ case fmtString:
+ str = arg.s;
+ len = strlen(str);
+ reverseAlign = !reverseAlign;
+ break;
+ case fmtGString:
+ str = arg.gs->getCString();
+ len = arg.gs->getLength();
+ reverseAlign = !reverseAlign;
+ break;
+ case fmtSpace:
+ str = buf;
+ len = 0;
+ width = arg.i;
+ break;
+ }
+
+ // append the formatted arg, handling width and alignment
+ if (!reverseAlign && len < width) {
+ for (i = len; i < width; ++i) {
+ append(' ');
+ }
+ }
+ append(str, len);
+ if (reverseAlign && len < width) {
+ for (i = len; i < width; ++i) {
+ append(' ');
+ }
+ }
+ }
+
+ } else if (*p0 == '}') {
+ ++p0;
+ if (*p0 == '}') {
+ ++p0;
+ }
+ append('}');
+
+ } else {
+ for (p1 = p0 + 1; *p1 && *p1 != '{' && *p1 != '}'; ++p1) ;
+ append(p0, p1 - p0);
+ p0 = p1;
+ }
+ }
+
+ gfree(args);
+ return this;
+}
+
+void GString::formatInt(long x, char *buf, int bufSize,
+ GBool zeroFill, int width, int base,
+ char **p, int *len) {
+ static char vals[17] = "0123456789abcdef";
+ GBool neg;
+ int start, i, j;
+
+ i = bufSize;
+ if ((neg = x < 0)) {
+ x = -x;
+ }
+ start = neg ? 1 : 0;
+ if (x == 0) {
+ buf[--i] = '0';
+ } else {
+ while (i > start && x) {
+ buf[--i] = vals[x % base];
+ x /= base;
+ }
+ }
+ if (zeroFill) {
+ for (j = bufSize - i; i > start && j < width - start; ++j) {
+ buf[--i] = '0';
+ }
+ }
+ if (neg) {
+ buf[--i] = '-';
+ }
+ *p = buf + i;
+ *len = bufSize - i;
+}
+
+void GString::formatUInt(Gulong x, char *buf, int bufSize,
+ GBool zeroFill, int width, int base,
+ char **p, int *len) {
+ static char vals[17] = "0123456789abcdef";
+ int i, j;
+
+ i = bufSize;
+ if (x == 0) {
+ buf[--i] = '0';
+ } else {
+ while (i > 0 && x) {
+ buf[--i] = vals[x % base];
+ x /= base;
+ }
+ }
+ if (zeroFill) {
+ for (j = bufSize - i; i > 0 && j < width; ++j) {
+ buf[--i] = '0';
+ }
+ }
+ *p = buf + i;
+ *len = bufSize - i;
+}
+
+void GString::formatDouble(double x, char *buf, int bufSize, int prec,
+ GBool trim, char **p, int *len) {
+ GBool neg, started;
+ double x2;
+ int d, i, j;
+
+ if ((neg = x < 0)) {
+ x = -x;
+ }
+ x = floor(x * pow(10, prec) + 0.5);
+ i = bufSize;
+ started = !trim;
+ for (j = 0; j < prec && i > 1; ++j) {
+ x2 = floor(0.1 * (x + 0.5));
+ d = (int)floor(x - 10 * x2 + 0.5);
+ if (started || d != 0) {
+ buf[--i] = '0' + d;
+ started = gTrue;
+ }
+ x = x2;
+ }
+ if (i > 1 && started) {
+ buf[--i] = '.';
+ }
+ if (i > 1) {
+ do {
+ x2 = floor(0.1 * (x + 0.5));
+ d = (int)floor(x - 10 * x2 + 0.5);
+ buf[--i] = '0' + d;
+ x = x2;
+ } while (i > 1 && x);
+ }
+ if (neg) {
+ buf[--i] = '-';
+ }
+ *p = buf + i;
+ *len = bufSize - i;
+}
+
+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;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-30 01:29:56 +0000