From 563f69b870a7f71026c50605b531ed40d667b0a2 Mon Sep 17 00:00:00 2001 From: HampusM Date: Mon, 7 Mar 2022 13:48:57 +0100 Subject: rename arduino core dir to xinput --- cores/arduino/Stream.cpp | 318 ----------------------------------------------- 1 file changed, 318 deletions(-) delete mode 100644 cores/arduino/Stream.cpp (limited to 'cores/arduino/Stream.cpp') diff --git a/cores/arduino/Stream.cpp b/cores/arduino/Stream.cpp deleted file mode 100644 index 9eff663..0000000 --- a/cores/arduino/Stream.cpp +++ /dev/null @@ -1,318 +0,0 @@ -/* - Stream.cpp - adds parsing methods to Stream class - Copyright (c) 2008 David A. Mellis. All right reserved. - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Created July 2011 - parsing functions based on TextFinder library by Michael Margolis - - findMulti/findUntil routines written by Jim Leonard/Xuth - */ - -#include "Arduino.h" -#include "Stream.h" - -#define PARSE_TIMEOUT 1000 // default number of milli-seconds to wait - -// protected method to read stream with timeout -int Stream::timedRead() -{ - int c; - _startMillis = millis(); - do { - c = read(); - if (c >= 0) return c; - } while(millis() - _startMillis < _timeout); - return -1; // -1 indicates timeout -} - -// protected method to peek stream with timeout -int Stream::timedPeek() -{ - int c; - _startMillis = millis(); - do { - c = peek(); - if (c >= 0) return c; - } while(millis() - _startMillis < _timeout); - return -1; // -1 indicates timeout -} - -// returns peek of the next digit in the stream or -1 if timeout -// discards non-numeric characters -int Stream::peekNextDigit(LookaheadMode lookahead, bool detectDecimal) -{ - int c; - while (1) { - c = timedPeek(); - - if( c < 0 || - c == '-' || - (c >= '0' && c <= '9') || - (detectDecimal && c == '.')) return c; - - switch( lookahead ){ - case SKIP_NONE: return -1; // Fail code. - case SKIP_WHITESPACE: - switch( c ){ - case ' ': - case '\t': - case '\r': - case '\n': break; - default: return -1; // Fail code. - } - case SKIP_ALL: - break; - } - read(); // discard non-numeric - } -} - -// Public Methods -////////////////////////////////////////////////////////////// - -void Stream::setTimeout(unsigned long timeout) // sets the maximum number of milliseconds to wait -{ - _timeout = timeout; -} - - // find returns true if the target string is found -bool Stream::find(char *target) -{ - return findUntil(target, strlen(target), NULL, 0); -} - -// reads data from the stream until the target string of given length is found -// returns true if target string is found, false if timed out -bool Stream::find(char *target, size_t length) -{ - return findUntil(target, length, NULL, 0); -} - -// as find but search ends if the terminator string is found -bool Stream::findUntil(char *target, char *terminator) -{ - return findUntil(target, strlen(target), terminator, strlen(terminator)); -} - -// reads data from the stream until the target string of the given length is found -// search terminated if the terminator string is found -// returns true if target string is found, false if terminated or timed out -bool Stream::findUntil(char *target, size_t targetLen, char *terminator, size_t termLen) -{ - if (terminator == NULL) { - MultiTarget t[1] = {{target, targetLen, 0}}; - return findMulti(t, 1) == 0 ? true : false; - } else { - MultiTarget t[2] = {{target, targetLen, 0}, {terminator, termLen, 0}}; - return findMulti(t, 2) == 0 ? true : false; - } -} - -// returns the first valid (long) integer value from the current position. -// lookahead determines how parseInt looks ahead in the stream. -// See LookaheadMode enumeration at the top of the file. -// Lookahead is terminated by the first character that is not a valid part of an integer. -// Once parsing commences, 'ignore' will be skipped in the stream. -long Stream::parseInt(LookaheadMode lookahead, char ignore) -{ - bool isNegative = false; - long value = 0; - int c; - - c = peekNextDigit(lookahead, false); - // ignore non numeric leading characters - if(c < 0) - return 0; // zero returned if timeout - - do{ - if(c == ignore) - ; // ignore this character - else if(c == '-') - isNegative = true; - else if(c >= '0' && c <= '9') // is c a digit? - value = value * 10 + c - '0'; - read(); // consume the character we got with peek - c = timedPeek(); - } - while( (c >= '0' && c <= '9') || c == ignore ); - - if(isNegative) - value = -value; - return value; -} - -// as parseInt but returns a floating point value -float Stream::parseFloat(LookaheadMode lookahead, char ignore) -{ - bool isNegative = false; - bool isFraction = false; - long value = 0; - int c; - float fraction = 1.0; - - c = peekNextDigit(lookahead, true); - // ignore non numeric leading characters - if(c < 0) - return 0; // zero returned if timeout - - do{ - if(c == ignore) - ; // ignore - else if(c == '-') - isNegative = true; - else if (c == '.') - isFraction = true; - else if(c >= '0' && c <= '9') { // is c a digit? - value = value * 10 + c - '0'; - if(isFraction) - fraction *= 0.1; - } - read(); // consume the character we got with peek - c = timedPeek(); - } - while( (c >= '0' && c <= '9') || (c == '.' && !isFraction) || c == ignore ); - - if(isNegative) - value = -value; - if(isFraction) - return value * fraction; - else - return value; -} - -// read characters from stream into buffer -// terminates if length characters have been read, or timeout (see setTimeout) -// returns the number of characters placed in the buffer -// the buffer is NOT null terminated. -// -size_t Stream::readBytes(char *buffer, size_t length) -{ - size_t count = 0; - while (count < length) { - int c = timedRead(); - if (c < 0) break; - *buffer++ = (char)c; - count++; - } - return count; -} - - -// as readBytes with terminator character -// terminates if length characters have been read, timeout, or if the terminator character detected -// returns the number of characters placed in the buffer (0 means no valid data found) - -size_t Stream::readBytesUntil(char terminator, char *buffer, size_t length) -{ - size_t index = 0; - while (index < length) { - int c = timedRead(); - if (c < 0 || c == terminator) break; - *buffer++ = (char)c; - index++; - } - return index; // return number of characters, not including null terminator -} - -String Stream::readString() -{ - String ret; - int c = timedRead(); - while (c >= 0) - { - ret += (char)c; - c = timedRead(); - } - return ret; -} - -String Stream::readStringUntil(char terminator) -{ - String ret; - int c = timedRead(); - while (c >= 0 && c != terminator) - { - ret += (char)c; - c = timedRead(); - } - return ret; -} - -int Stream::findMulti( struct Stream::MultiTarget *targets, int tCount) { - // any zero length target string automatically matches and would make - // a mess of the rest of the algorithm. - for (struct MultiTarget *t = targets; t < targets+tCount; ++t) { - if (t->len <= 0) - return t - targets; - } - - while (1) { - int c = timedRead(); - if (c < 0) - return -1; - - for (struct MultiTarget *t = targets; t < targets+tCount; ++t) { - // the simple case is if we match, deal with that first. - if (c == t->str[t->index]) { - if (++t->index == t->len) - return t - targets; - else - continue; - } - - // if not we need to walk back and see if we could have matched further - // down the stream (ie '1112' doesn't match the first position in '11112' - // but it will match the second position so we can't just reset the current - // index to 0 when we find a mismatch. - if (t->index == 0) - continue; - - int origIndex = t->index; - do { - --t->index; - // first check if current char works against the new current index - if (c != t->str[t->index]) - continue; - - // if it's the only char then we're good, nothing more to check - if (t->index == 0) { - t->index++; - break; - } - - // otherwise we need to check the rest of the found string - int diff = origIndex - t->index; - size_t i; - for (i = 0; i < t->index; ++i) { - if (t->str[i] != t->str[i + diff]) - break; - } - - // if we successfully got through the previous loop then our current - // index is good. - if (i == t->index) { - t->index++; - break; - } - - // otherwise we just try the next index - } while (t->index); - } - } - // unreachable - return -1; -} -- cgit v1.2.3-18-g5258