diff pyPRADA_1.2/tools/bwa-0.5.7-mh/kseq.h @ 0:acc2ca1a3ba4

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author siyuan
date Thu, 20 Feb 2014 00:44:58 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pyPRADA_1.2/tools/bwa-0.5.7-mh/kseq.h	Thu Feb 20 00:44:58 2014 -0500
@@ -0,0 +1,208 @@
+/* The MIT License
+
+   Copyright (c) 2008, by Heng Li <lh3@sanger.ac.uk>
+
+   Permission is hereby granted, free of charge, to any person obtaining
+   a copy of this software and associated documentation files (the
+   "Software"), to deal in the Software without restriction, including
+   without limitation the rights to use, copy, modify, merge, publish,
+   distribute, sublicense, and/or sell copies of the Software, and to
+   permit persons to whom the Software is furnished to do so, subject to
+   the following conditions:
+
+   The above copyright notice and this permission notice shall be
+   included in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+   SOFTWARE.
+*/
+
+#ifndef AC_KSEQ_H
+#define AC_KSEQ_H
+
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+
+#define __KS_TYPE(type_t)						\
+	typedef struct __kstream_t {				\
+		char *buf;								\
+		int begin, end, is_eof;					\
+		type_t f;								\
+	} kstream_t;
+
+#define ks_eof(ks) ((ks)->is_eof && (ks)->begin >= (ks)->end)
+#define ks_rewind(ks) ((ks)->is_eof = (ks)->begin = (ks)->end = 0)
+
+#define __KS_BASIC(type_t, __bufsize)								\
+	static inline kstream_t *ks_init(type_t f)						\
+	{																\
+		kstream_t *ks = (kstream_t*)calloc(1, sizeof(kstream_t));	\
+		ks->f = f;													\
+		ks->buf = (char*)malloc(__bufsize);							\
+		return ks;													\
+	}																\
+	static inline void ks_destroy(kstream_t *ks)					\
+	{																\
+		if (ks) {													\
+			free(ks->buf);											\
+			free(ks);												\
+		}															\
+	}
+
+#define __KS_GETC(__read, __bufsize)						\
+	static inline int ks_getc(kstream_t *ks)				\
+	{														\
+		if (ks->is_eof && ks->begin >= ks->end) return -1;	\
+		if (ks->begin >= ks->end) {							\
+			ks->begin = 0;									\
+			ks->end = __read(ks->f, ks->buf, __bufsize);	\
+			if (ks->end < __bufsize) ks->is_eof = 1;		\
+			if (ks->end == 0) return -1;					\
+		}													\
+		return (int)ks->buf[ks->begin++];					\
+	}
+
+#ifndef KSTRING_T
+#define KSTRING_T kstring_t
+typedef struct __kstring_t {
+	size_t l, m;
+	char *s;
+} kstring_t;
+#endif
+
+#ifndef kroundup32
+#define kroundup32(x) (--(x), (x)|=(x)>>1, (x)|=(x)>>2, (x)|=(x)>>4, (x)|=(x)>>8, (x)|=(x)>>16, ++(x))
+#endif
+
+#define __KS_GETUNTIL(__read, __bufsize)								\
+	static int ks_getuntil(kstream_t *ks, int delimiter, kstring_t *str, int *dret) \
+	{																	\
+		if (dret) *dret = 0;											\
+		str->l = 0;														\
+		if (ks->begin >= ks->end && ks->is_eof) return -1;				\
+		for (;;) {														\
+			int i;														\
+			if (ks->begin >= ks->end) {									\
+				if (!ks->is_eof) {										\
+					ks->begin = 0;										\
+					ks->end = __read(ks->f, ks->buf, __bufsize);		\
+					if (ks->end < __bufsize) ks->is_eof = 1;			\
+					if (ks->end == 0) break;							\
+				} else break;											\
+			}															\
+			if (delimiter) {											\
+				for (i = ks->begin; i < ks->end; ++i)					\
+					if (ks->buf[i] == delimiter) break;					\
+			} else {													\
+				for (i = ks->begin; i < ks->end; ++i)					\
+					if (isspace(ks->buf[i])) break;						\
+			}															\
+			if (str->m - str->l < i - ks->begin + 1) {					\
+				str->m = str->l + (i - ks->begin) + 1;					\
+				kroundup32(str->m);										\
+				str->s = (char*)realloc(str->s, str->m);				\
+			}															\
+			memcpy(str->s + str->l, ks->buf + ks->begin, i - ks->begin); \
+			str->l = str->l + (i - ks->begin);							\
+			ks->begin = i + 1;											\
+			if (i < ks->end) {											\
+				if (dret) *dret = ks->buf[i];							\
+				break;													\
+			}															\
+		}																\
+		str->s[str->l] = '\0';											\
+		return str->l;													\
+	}
+
+#define KSTREAM_INIT(type_t, __read, __bufsize) \
+	__KS_TYPE(type_t)							\
+	__KS_BASIC(type_t, __bufsize)				\
+	__KS_GETC(__read, __bufsize)				\
+	__KS_GETUNTIL(__read, __bufsize)
+
+#define __KSEQ_BASIC(type_t)											\
+	static inline kseq_t *kseq_init(type_t fd)							\
+	{																	\
+		kseq_t *s = (kseq_t*)calloc(1, sizeof(kseq_t));					\
+		s->f = ks_init(fd);												\
+		return s;														\
+	}																	\
+	static inline void kseq_rewind(kseq_t *ks)							\
+	{																	\
+		ks->last_char = 0;												\
+		ks->f->is_eof = ks->f->begin = ks->f->end = 0;					\
+	}																	\
+	static inline void kseq_destroy(kseq_t *ks)							\
+	{																	\
+		if (!ks) return;												\
+		free(ks->name.s); free(ks->comment.s); free(ks->seq.s);	free(ks->qual.s); \
+		ks_destroy(ks->f);												\
+		free(ks);														\
+	}
+
+/* Return value:
+   >=0  length of the sequence (normal)
+   -1   end-of-file
+   -2   truncated quality string
+ */
+#define __KSEQ_READ														\
+	static int kseq_read(kseq_t *seq)									\
+	{																	\
+		int c;															\
+		kstream_t *ks = seq->f;											\
+		if (seq->last_char == 0) { /* then jump to the next header line */ \
+			while ((c = ks_getc(ks)) != -1 && c != '>' && c != '@');	\
+			if (c == -1) return -1; /* end of file */					\
+			seq->last_char = c;											\
+		} /* the first header char has been read */						\
+		seq->comment.l = seq->seq.l = seq->qual.l = 0;					\
+		if (ks_getuntil(ks, 0, &seq->name, &c) < 0) return -1;			\
+		if (c != '\n') ks_getuntil(ks, '\n', &seq->comment, 0);			\
+		while ((c = ks_getc(ks)) != -1 && c != '>' && c != '+' && c != '@') { \
+			if (isgraph(c)) { /* printable non-space character */		\
+				if (seq->seq.l + 1 >= seq->seq.m) { /* double the memory */ \
+					seq->seq.m = seq->seq.l + 2;						\
+					kroundup32(seq->seq.m); /* rounded to next closest 2^k */ \
+					seq->seq.s = (char*)realloc(seq->seq.s, seq->seq.m); \
+				}														\
+				seq->seq.s[seq->seq.l++] = (char)c;						\
+			}															\
+		}																\
+		if (c == '>' || c == '@') seq->last_char = c; /* the first header char has been read */	\
+		seq->seq.s[seq->seq.l] = 0;	/* null terminated string */		\
+		if (c != '+') return seq->seq.l; /* FASTA */					\
+		if (seq->qual.m < seq->seq.m) {	/* allocate enough memory */	\
+			seq->qual.m = seq->seq.m;									\
+			seq->qual.s = (char*)realloc(seq->qual.s, seq->qual.m);		\
+		}																\
+		while ((c = ks_getc(ks)) != -1 && c != '\n'); /* skip the rest of '+' line */ \
+		if (c == -1) return -2; /* we should not stop here */			\
+		while ((c = ks_getc(ks)) != -1 && seq->qual.l < seq->seq.l)		\
+			if (c >= 33 && c <= 127) seq->qual.s[seq->qual.l++] = (unsigned char)c;	\
+		seq->qual.s[seq->qual.l] = 0; /* null terminated string */		\
+		seq->last_char = 0;	/* we have not come to the next header line */ \
+		if (seq->seq.l != seq->qual.l) return -2; /* qual string is shorter than seq string */ \
+		return seq->seq.l;												\
+	}
+
+#define __KSEQ_TYPE(type_t)						\
+	typedef struct {							\
+		kstring_t name, comment, seq, qual;		\
+		int last_char;							\
+		kstream_t *f;							\
+	} kseq_t;
+
+#define KSEQ_INIT(type_t, __read)				\
+	KSTREAM_INIT(type_t, __read, 4096)			\
+	__KSEQ_TYPE(type_t)							\
+	__KSEQ_BASIC(type_t)						\
+	__KSEQ_READ
+
+#endif