/* * sources.c: Source handling * * See the main source file 'vdr.c' for copyright information and * how to reach the author. * * $Id: sources.c 2.2.1.1 2014/03/09 12:13:25 kls Exp $ */ #include "sources.h" // --- cSource --------------------------------------------------------------- cSource::cSource(void) { code = stNone; description = NULL; } cSource::cSource(char Source, const char *Description) { code = int(Source) << 24; description = strdup(Description); } cSource::~cSource() { free(description); } bool cSource::Parse(const char *s) { char *codeBuf = NULL; if (2 == sscanf(s, "%a[^ ] %a[^\n]", &codeBuf, &description)) code = FromString(codeBuf); free(codeBuf); return code != stNone && description && *description; } cString cSource::ToString(int Code) { char buffer[16]; char *q = buffer; *q++ = (Code & st_Mask) >> 24; int n = (Code & st_Pos); if (n > 0x00007FFF) n |= 0xFFFF0000; if (n) { q += snprintf(q, sizeof(buffer) - 2, "%u.%u", abs(n) / 10, abs(n) % 10); // can't simply use "%g" here since the silly 'locale' messes up the decimal point *q++ = (n < 0) ? 'E' : 'W'; } *q = 0; return buffer; } int cSource::FromString(const char *s) { if (!isempty(s)) { if ('A' <= *s && *s <= 'Z') { int code = int(*s) << 24; if (code == stSat) { int pos = 0; bool dot = false; bool neg = false; while (*++s) { switch (*s) { case '0' ... '9': pos *= 10; pos += *s - '0'; break; case '.': dot = true; break; case 'E': neg = true; // fall through to 'W' case 'W': if (!dot) pos *= 10; break; default: esyslog("ERROR: unknown source character '%c'", *s); return stNone; } } if (neg) pos = -pos; code |= (pos & st_Pos); } return code; } else esyslog("ERROR: unknown source key '%c'", *s); } return stNone; } int cSource::FromData(eSourceType SourceType, int Position, bool East) { int code = SourceType; if (SourceType == stSat) { if (East) Position = -Position; code |= (Position & st_Pos);; } return code; } // --- cSources -------------------------------------------------------------- cSources Sources; cSource *cSources::Get(int Code) { for (cSource *p = First(); p; p = Next(p)) { if (p->Code() == Code) return p; } return NULL; } bool cSources::ContainsSourceType(char SourceType) { for (cSource *p = First(); p; p = Next(p)) { if (cSource::ToChar(p->Code()) == SourceType) return true; } return false; }