mirror of
https://projects.vdr-developer.org/git/vdr-plugin-streamdev.git
synced 2023-10-10 19:16:51 +02:00
455 lines
8.9 KiB
C
455 lines
8.9 KiB
C
#include "tools/string.h"
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#ifdef TOOLBOX_REGEX
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# include "tools/regex.h"
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#endif
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <limits.h>
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#include <math.h>
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#include <errno.h>
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const cTBString cTBString::Null;
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cTBString::cTBString():
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cTBShared(),
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m_StringLen(0) {
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}
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cTBString::cTBString(const cTBString &src):
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cTBShared(src),
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m_StringLen(src.m_StringLen) {
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}
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cTBString::cTBString(const char *src) {
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Set(src);
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}
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cTBString::cTBString(const uchar *src) {
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Set(src);
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}
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cTBString::cTBString(char src) {
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Set(src);
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}
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cTBString::~cTBString () {
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}
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void cTBString::Release(uint newsize) {
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m_StringLen = newsize;
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cTBShared::Release(m_StringLen + 1);
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Clear() {
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cTBShared::Clear();
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m_StringLen = 0;
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}
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void cTBString::Set(const cTBString &String) {
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cTBShared::Set(String);
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m_StringLen = String.m_StringLen;
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}
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void cTBString::Set (const char *String) {
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m_StringLen = strlen(String);
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Allocate(m_StringLen + 1);
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memcpy(Buffer(), String, m_StringLen);
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Set (const uchar *String) {
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Set((const char*)String);
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}
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void cTBString::Set (char Character) {
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m_StringLen = 1;
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Allocate(m_StringLen + 1);
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Buffer()[0] = Character;
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Buffer()[1] = 0;
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}
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void cTBString::Fill(char Character, int Length) {
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if (Length != -1) {
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m_StringLen = Length;
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Allocate(m_StringLen + 1);
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}
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memset(Buffer(), Character, m_StringLen);
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Append(const cTBString &src) {
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Allocate(m_StringLen + src.m_StringLen + 1, true);
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memcpy(Buffer() + m_StringLen, src.Buffer(), src.m_StringLen);
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m_StringLen += src.m_StringLen;
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Append(const char *src) {
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uint len = strlen(src);
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Allocate(m_StringLen + len + 1, true);
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memcpy(Buffer() + m_StringLen, src, len);
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m_StringLen += len;
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Append(char src) {
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Allocate(m_StringLen + 2, true);
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Buffer()[m_StringLen] = src;
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++m_StringLen;
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Prepend(const cTBString &src) {
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Allocate(m_StringLen + src.m_StringLen + 1, true);
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memmove(Buffer() + src.m_StringLen, Buffer(), m_StringLen);
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memcpy(Buffer(), src.Buffer(), src.m_StringLen);
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m_StringLen += src.m_StringLen;
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Prepend(const char *src) {
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uint len = strlen(src);
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Allocate(m_StringLen + len + 1, true);
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memmove(Buffer() + len, Buffer(), m_StringLen);
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memcpy(Buffer(), src, len);
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m_StringLen += len;
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Prepend(char src) {
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Allocate(m_StringLen + 2, true);
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memmove(Buffer() + 1, Buffer(), m_StringLen);
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Buffer()[0] = src;
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Buffer()[++m_StringLen] = 0;
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}
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void cTBString::Insert(uint Index, const cTBString &String) {
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Allocate(m_StringLen + String.m_StringLen + 1, true);
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memmove(Buffer() + Index + String.m_StringLen, Buffer() + Index, m_StringLen - Index);
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memcpy(Buffer() + Index, String.Buffer(), String.m_StringLen);
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m_StringLen += String.m_StringLen;
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Insert(uint Index, const char *String) {
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uint len = strlen(String);
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Allocate(m_StringLen + len + 1, true);
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memmove(Buffer() + Index + len, Buffer() + Index, m_StringLen - Index);
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memcpy(Buffer() + Index, String, len);
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m_StringLen += len;
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Buffer()[m_StringLen] = 0;
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}
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void cTBString::Insert(uint Index, char Character) {
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Allocate(m_StringLen + 2, true);
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memmove(Buffer() + Index + 1, Buffer() + Index, m_StringLen - Index);
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Buffer()[Index] = Character;
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Buffer()[++m_StringLen] = 0;
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}
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RETURNS(cTBString, cTBString::Left(uint count) const, ret)
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if (count > m_StringLen)
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count = m_StringLen;
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ret.Allocate(count + 1);
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memcpy(ret.Buffer(), Buffer(), count);
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ret.Buffer()[count] = 0;
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ret.m_StringLen = count;
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RETURN(ret)
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RETURNS(cTBString, cTBString::Right(uint count) const, ret)
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if (count > m_StringLen)
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count = m_StringLen;
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ret.Allocate(count + 1);
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memcpy(ret.Buffer(), Buffer() + m_StringLen - count, count);
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ret.Buffer()[count] = 0;
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ret.m_StringLen = count;
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RETURN(ret)
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RETURNS(cTBString, cTBString::Mid(int idx, int count) const, ret)
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if (idx < 0)
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idx = m_StringLen + idx;
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if ((count < 0) || (count > (int)m_StringLen - idx))
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count = m_StringLen - idx;
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ret.Allocate(count + 1);
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memcpy(ret.Buffer(), Buffer() + idx, count);
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ret.Buffer()[count] = 0;
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ret.m_StringLen = count;
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RETURN(ret)
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int cTBString::Find (const cTBString &String, uint Offset) const {
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if (Offset >= m_StringLen)
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return -1;
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char *pos = strstr(Buffer() + Offset, String.Buffer());
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if (pos) return (pos - Buffer());
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else return -1;
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}
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int cTBString::Find (const char *String, uint Offset) const {
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if (Offset >= m_StringLen)
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return -1;
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char *pos = strstr(Buffer() + Offset, String);
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if (pos) return (pos - Buffer());
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else return -1;
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}
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int cTBString::Find (char Character, uint Offset) const {
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if (Offset >= m_StringLen)
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return -1;
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char *pos = strchr(Buffer() + Offset, Character);
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if (pos) return (pos - Buffer());
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else return -1;
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}
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#ifdef TOOLBOX_REGEX
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bool cTBString::Find (cTBRegEx &Regex, uint Offset) const {
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return Regex.Match(Buffer(), Offset);
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}
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#endif
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void cTBString::Format (const char *fmt, ...) {
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int n, size = 128;
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va_list ap;
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char *buf = Buffer(size);
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while (1) {
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va_start(ap, fmt);
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n = vsnprintf(buf, size, fmt, ap);
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va_end(ap);
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if ((n > -1) && (n < size))
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break;
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if (n > -1)
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size = n + 1;
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else
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size *= 2;
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buf = Buffer(size);
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}
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Release(n);
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}
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void cTBString::Format(const cTBString &fmt, ...) {
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int n, size = 128;
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va_list ap;
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char *buf = Buffer(size);
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while (1) {
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va_start(ap, &fmt);
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n = vsnprintf(buf, size, fmt, ap);
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va_end(ap);
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if ((n > -1) && (n < size))
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break;
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if (n > -1)
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size = n + 1;
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else
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size *= 2;
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buf = Buffer(size);
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}
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Release(n);
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}
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template<cTBString::TOFUNC F>
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cTBString cTBString::ToAnything(void) const {
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const char *src;
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char *dest;
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cTBString ret;
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src = Buffer();
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dest = ret.Buffer(m_StringLen + 1);
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for (; src < Buffer() + m_StringLen; ++src, ++dest)
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*dest = F(*src);
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*dest = '\0';
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ret.Release(m_StringLen);
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return ret;
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}
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template<cTBString::ISFUNC F>
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bool cTBString::IsAnything(void) const {
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const char *ptr = Buffer();
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for (; ptr < Buffer() + m_StringLen; ++ptr)
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if (!F(*ptr)) return false;
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return true;
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}
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short cTBString::ToShort(bool *Ok) const {
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long ret;
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char *endptr;
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bool res = false;
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ret = strtol(Buffer(), &endptr, 0);
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if (!IsEmpty() && *endptr == '\0' && ret >= SHRT_MIN && ret <= SHRT_MAX)
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res = true;
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if (Ok) *Ok = res;
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return (short)ret;
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}
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ushort cTBString::ToUShort(bool *Ok) const {
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ulong ret;
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char *endptr;
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bool res = false;
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ret = strtoul(Buffer(), &endptr, 0);
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if (!IsEmpty() && *endptr == '\0' && ret <= USHRT_MAX)
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res = true;
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if (Ok) *Ok = res;
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return (ushort)ret;
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}
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int cTBString::ToInt(bool *Ok) const {
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long ret;
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char *endptr;
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bool res = false;
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ret = strtol(Buffer(), &endptr, 0);
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if (!IsEmpty() && *endptr == '\0' && ret >= INT_MIN && ret <= INT_MAX)
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res = true;
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if (Ok) *Ok = res;
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return (int)ret;
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}
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uint cTBString::ToUInt(bool *Ok) const {
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ulong ret;
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char *endptr;
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bool res = false;
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ret = strtoul(Buffer(), &endptr, 0);
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if (!IsEmpty() && *endptr == '\0' && ret <= UINT_MAX)
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res = true;
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if (Ok) *Ok = res;
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return (uint)ret;
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}
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long cTBString::ToLong(bool *Ok) const {
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long ret;
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char *endptr;
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bool res = false;
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errno = 0;
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ret = strtol(Buffer(), &endptr, 0);
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if (!IsEmpty() && *endptr == '\0' && errno != ERANGE)
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res = true;
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if (Ok) *Ok = res;
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return (long)ret;
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}
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ulong cTBString::ToULong(bool *Ok) const {
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ulong ret;
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char *endptr;
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bool res = false;
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errno = 0;
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ret = strtoul(Buffer(), &endptr, 0);
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if (!IsEmpty() && *endptr == '\0' && errno != ERANGE)
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res = true;
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if (Ok) *Ok = res;
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return (ulong)ret;
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}
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float cTBString::ToFloat(bool *Ok) const {
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double ret;
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char *endptr;
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bool res = false;
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ret = strtod(Buffer(), &endptr);
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if (!IsEmpty() && *endptr == '\0' && errno != ERANGE)
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res = true;
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if (Ok) *Ok = res;
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return (float)ret;
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}
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double cTBString::ToDouble(bool *Ok) const {
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double ret;
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char *endptr;
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bool res = false;
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errno = 0;
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ret = strtol(Buffer(), &endptr, 0);
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if (!IsEmpty() && *endptr == '\0' && errno != ERANGE)
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res = true;
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if (Ok) *Ok = res;
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return (double)ret;
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}
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RETURNS(cTBString, cTBString::Number(short Num), ret)
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ret.Format("%hd", Num);
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RETURN(ret)
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RETURNS(cTBString, cTBString::Number(ushort Num), ret)
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ret.Format("%hu", Num);
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RETURN(ret)
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RETURNS(cTBString, cTBString::Number(int Num), ret)
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ret.Format("%d", Num);
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RETURN(ret)
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RETURNS(cTBString, cTBString::Number(uint Num), ret)
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ret.Format("%u", Num);
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RETURN(ret)
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RETURNS(cTBString, cTBString::Number(long Num), ret)
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ret.Format("%ld", Num);
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RETURN(ret)
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RETURNS(cTBString, cTBString::Number(ulong Num), ret)
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ret.Format("%lu", Num);
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RETURN(ret)
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RETURNS(cTBString, cTBString::Number(float Num), ret)
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ret.Format("%f", Num);
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RETURN(ret)
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RETURNS(cTBString, cTBString::Number(double Num), ret)
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ret.Format("%f", Num);
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RETURN(ret)
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