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-rw-r--r--kcachegrind/kcachegrind/utils.cpp483
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diff --git a/kcachegrind/kcachegrind/utils.cpp b/kcachegrind/kcachegrind/utils.cpp
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+++ b/kcachegrind/kcachegrind/utils.cpp
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+/* This file is part of KCachegrind.
+ Copyright (C) 2003 Josef Weidendorfer <Josef.Weidendorfer@gmx.de>
+
+ KCachegrind is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public
+ License as published by the Free Software Foundation, version 2.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+/*
+ * Utility classes for KCachegrind
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_MMAP
+#include <unistd.h>
+#include <sys/mman.h>
+#endif
+
+#include <qfile.h>
+#include <errno.h>
+
+#include "utils.h"
+
+
+// class FixString
+
+FixString::FixString(const char* str, int len)
+{
+ _str = str;
+ _len = len;
+}
+
+bool FixString::stripFirst(char& c)
+{
+ if (!_len) {
+ c = 0;
+ return false;
+ }
+
+ c = *_str;
+ _str++;
+ _len--;
+ return true;
+ }
+
+bool FixString::stripPrefix(const char* p)
+{
+ if (_len == 0) return false;
+ if (!p || (*p != *_str)) return false;
+
+ const char* s = _str+1;
+ int l = _len-1;
+ p++;
+ while(*p) {
+ if (l==0) return false;
+ if (*s != *p) return false;
+ p++;
+ s++;
+ l--;
+ }
+ _str = s;
+ _len = l;
+ return true;
+}
+
+
+// this parses hexadecimal (with prefix '0x' too)
+bool FixString::stripUInt(unsigned int& v, bool stripSpaces)
+{
+ if (_len==0) {
+ v = 0;
+ return false;
+ }
+
+ char c = *_str;
+ if (c<'0' || c>'9') {
+ v = 0;
+ return false;
+ }
+
+ v = c-'0';
+ const char* s = _str+1;
+ int l = _len-1;
+ c = *s;
+
+ if ((l>0) && (c == 'x') && (v==0)) {
+ // hexadecimal
+ s++;
+ c = *s;
+ l--;
+
+ while(l>0) {
+ if (c>='0' && c<='9')
+ v = 16*v + (c-'0');
+ else if (c>='a' && c<='f')
+ v = 16*v + 10 + (c-'a');
+ else if (c>='A' && c<='F')
+ v = 16*v + 10 + (c-'A');
+ else
+ break;
+ s++;
+ c = *s;
+ l--;
+ }
+ }
+ else {
+ // decimal
+
+ while(l>0) {
+ if (c<'0' || c>'9') break;
+ v = 10*v + (c-'0');
+ s++;
+ c = *s;
+ l--;
+ }
+ }
+
+ if (stripSpaces)
+ while(l>0) {
+ if (c != ' ') break;
+ s++;
+ c = *s;
+ l--;
+ }
+
+ _str = s;
+ _len = l;
+ return true;
+}
+
+
+void FixString::stripSurroundingSpaces()
+{
+ if (_len==0) return;
+
+ // leading spaces
+ while((_len>0) && (*_str==' ')) {
+ _len--;
+ _str++;
+ }
+
+ // trailing spaces
+ while((_len>0) && (_str[_len-1]==' ')) {
+ _len--;
+ }
+}
+
+void FixString::stripSpaces()
+{
+ while((_len>0) && (*_str==' ')) {
+ _len--;
+ _str++;
+ }
+}
+
+bool FixString::stripName(FixString& s)
+{
+ if (_len==0) return false;
+
+ // first char has to be a letter or "_"
+ if (!QChar(*_str).isLetter() && (*_str != '_')) return false;
+
+ int newLen = 1;
+ const char* newStr = _str;
+
+ _str++;
+ _len--;
+
+ while(_len>0) {
+ if (!QChar(*_str).isLetterOrNumber()
+ && (*_str != '_')) break;
+
+ newLen++;
+ _str++;
+ _len--;
+ }
+
+ s.set(newStr, newLen);
+ return true;
+}
+
+FixString FixString::stripUntil(char c)
+{
+ if (_len == 0) return FixString();
+
+ const char* newStr = _str;
+ int newLen = 0;
+
+ while(_len>0) {
+ if (*_str == c) {
+ _str++;
+ _len--;
+ break;
+ }
+
+ _str++;
+ _len--;
+ newLen++;
+ }
+ return FixString(newStr, newLen);
+}
+
+bool FixString::stripUInt64(uint64& v, bool stripSpaces)
+{
+ if (_len==0) {
+ v = 0;
+ return false;
+ }
+
+ char c = *_str;
+ if (c<'0' || c>'9') {
+ v = 0;
+ return false;
+ }
+
+ v = c-'0';
+ const char* s = _str+1;
+ int l = _len-1;
+ c = *s;
+
+ if ((l>0) && (c == 'x') && (v==0)) {
+ // hexadecimal
+ s++;
+ c = *s;
+ l--;
+
+ while(l>0) {
+ if (c>='0' && c<='9')
+ v = 16*v + (c-'0');
+ else if (c>='a' && c<='f')
+ v = 16*v + 10 + (c-'a');
+ else if (c>='A' && c<='F')
+ v = 16*v + 10 + (c-'A');
+ else
+ break;
+ s++;
+ c = *s;
+ l--;
+ }
+ }
+ else {
+ // decimal
+ while(l>0) {
+ if (c<'0' || c>'9') break;
+ v = 10*v + (c-'0');
+ s++;
+ c = *s;
+ l--;
+ }
+ }
+
+ if (stripSpaces)
+ while(l>0) {
+ if (c != ' ') break;
+ s++;
+ c = *s;
+ l--;
+ }
+
+ _str = s;
+ _len = l;
+ return true;
+}
+
+
+bool FixString::stripInt64(int64& v, bool stripSpaces)
+{
+ if (_len==0) {
+ v = 0;
+ return false;
+ }
+
+ char c = *_str;
+ if (c<'0' || c>'9') {
+ v = 0;
+ return false;
+ }
+
+ v = c-'0';
+ const char* s = _str+1;
+ int l = _len-1;
+ c = *s;
+
+ if ((l>0) && (c == 'x') && (v==0)) {
+ // hexadecimal
+ s++;
+ c = *s;
+ l--;
+
+ while(l>0) {
+ if (c>='0' && c<='9')
+ v = 16*v + (c-'0');
+ else if (c>='a' && c<='f')
+ v = 16*v + 10 + (c-'a');
+ else if (c>='A' && c<='F')
+ v = 16*v + 10 + (c-'A');
+ else
+ break;
+ s++;
+ c = *s;
+ l--;
+ }
+ }
+ else {
+ // decimal
+
+ while(l>0) {
+ if (c<'0' || c>'9') break;
+ v = 10*v + (c-'0');
+ s++;
+ c = *s;
+ l--;
+ }
+ }
+
+ if (stripSpaces)
+ while(l>0) {
+ if (c != ' ') break;
+ s++;
+ c = *s;
+ l--;
+ }
+
+ _str = s;
+ _len = l;
+ return true;
+}
+
+
+
+// class FixFile
+
+FixFile::FixFile(QFile* file)
+{
+ if (!file) {
+ _len = 0;
+ _currentLeft = 0;
+ _openError = true;
+ return;
+ }
+
+ _filename = file->name();
+ if (!file->isOpen() && !file->open( IO_ReadOnly ) ) {
+ qWarning( "%s: %s", (const char*) QFile::encodeName(_filename),
+ strerror( errno ) );
+ _len = 0;
+ _currentLeft = 0;
+ _openError = true;
+ return;
+ }
+
+ _openError = false;
+ _used_mmap = false;
+
+#ifdef HAVE_MMAP
+ char *addr = 0;
+ size_t len = file->size();
+ if (len>0) addr = (char *) mmap( addr, len,
+ PROT_READ, MAP_PRIVATE,
+ file->handle(), 0 );
+ if (addr && (addr != MAP_FAILED)) {
+ // mmap succeeded
+ _base = addr;
+ _len = len;
+ _used_mmap = true;
+
+ if (0) qDebug("Mapped '%s'", _filename.ascii());
+ } else {
+#endif // HAVE_MMAP
+ // try reading the data into memory instead
+ _data = file->readAll();
+ _base = _data.data();
+ _len = _data.size();
+#ifdef HAVE_MMAP
+ }
+#endif // HAVE_MMAP
+
+ _current = _base;
+ _currentLeft = _len;
+}
+
+FixFile::~FixFile()
+{
+ // if the file was read into _data, it will be deleted automatically
+
+#ifdef HAVE_MMAP
+ if (_used_mmap) {
+ if (0) qDebug("Unmapping '%s'", _filename.ascii());
+ if (munmap(_base, _len) != 0)
+ qWarning( "munmap: %s", strerror( errno ) );
+ }
+#endif // HAVE_MMAP
+}
+
+bool FixFile::nextLine(FixString& str)
+{
+ if (_currentLeft == 0) return false;
+
+ unsigned left = _currentLeft;
+ char* current = _current;
+
+ while(left>0) {
+ if (*current == 0 || *current == '\n') break;
+ current++;
+ left--;
+ }
+
+ if (0) {
+ char tmp[200];
+ int l = _currentLeft-left;
+ if (l>199) l = 199;
+ strncpy(tmp, _current, l);
+ tmp[l] = 0;
+ qDebug("[FixFile::nextLine] At %d, len %d: '%s'",
+ _current - _base, _currentLeft-left, tmp);
+ }
+
+ str.set(_current, _currentLeft-left);
+
+ if (*current == '\n') {
+ current++;
+ left--;
+ }
+ _current = current;
+ _currentLeft = left;
+
+ return true;
+}
+
+bool FixFile::setCurrent(unsigned pos)
+{
+ if (pos > _len) return false;
+
+ _current = _base + pos;
+ _currentLeft = _len - pos;
+ return true;
+}
+
+
+#if 0
+
+// class AppendList
+
+
+AppendList::AppendList()
+{
+ _next = 0;
+ _current = 0;
+ _last = 0;
+
+ _count = 0;
+ _currentIndex = 0;
+ _lastIndex = 0;
+ _autoDelete = false;
+}
+
+
+void AppendList::clear()
+{
+ int count = _count;
+ int i;
+
+ if (count <= firstLen) {
+ if (_autoDelete)
+ for (i=0;i<count;i++)
+ delete _first[i];
+ }
+}
+
+#endif
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