X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Ffile-handle-def.h;h=af40c7ab3763c6582e856d81c4f6485412a98dae;hb=43f0e5bf6c53ee0ba31b259aab230861baa4eb7e;hp=79f0c52a5ef4f4271ea8864838dc935383b6f58c;hpb=707848060e414fe93458834446dd7cdbf800667f;p=pspp diff --git a/src/data/file-handle-def.h b/src/data/file-handle-def.h index 79f0c52a5e..af40c7ab37 100644 --- a/src/data/file-handle-def.h +++ b/src/data/file-handle-def.h @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 1997-9, 2000, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 1997-9, 2000, 2005, 2006, 2010, 2011, 2013 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,6 +20,8 @@ #include #include +struct dataset; + /* What a file handle refers to. (Ordinarily only a single value is allowed, but fh_open() and fh_parse() take a mask.) */ @@ -27,14 +29,17 @@ enum fh_referent { FH_REF_FILE = 001, /* Ordinary file (the most common case). */ FH_REF_INLINE = 002, /* The inline file. */ - FH_REF_SCRATCH = 004 /* Temporary dataset. */ + FH_REF_DATASET = 004 /* Dataset. */ }; /* File modes. */ enum fh_mode { FH_MODE_TEXT, /* New-line delimited lines. */ - FH_MODE_BINARY /* Fixed-length records. */ + FH_MODE_FIXED, /* Fixed-length records. */ + FH_MODE_VARIABLE, /* Binary variable-length records. */ + FH_MODE_360_VARIABLE, /* IBM 360 variable-length records. */ + FH_MODE_360_SPANNED, /* IBM 360 variable-length, spanned records. */ }; /* Ways to access a file. */ @@ -44,12 +49,25 @@ enum fh_access FH_ACC_WRITE /* Write to it. */ }; +/* How a line ends. + + This affects only writing FH_MODE_TEXT files. Writing in other modes does + not use line ends, and reading in FH_MODE_TEXT mode accepts all forms of + line ends. */ +enum fh_line_ends + { + FH_END_LF, /* Unix line ends (\n). */ + FH_END_CRLF /* MS-DOS line ends (\r\n). */ + }; + /* Properties of a file handle. */ struct fh_properties { enum fh_mode mode; /* File mode. */ + enum fh_line_ends line_ends; /* Line ends for text files. */ size_t record_width; /* Length of fixed-format records. */ size_t tab_width; /* Tab width, 0=do not expand tabs. */ + const char *encoding; /* Charset for contents. */ }; void fh_init (void); @@ -57,9 +75,9 @@ void fh_done (void); /* Creating file handles. */ struct file_handle *fh_create_file (const char *handle_name, - const char *file_name, + const char *file_name, const char *file_name_encoding, const struct fh_properties *); -struct file_handle *fh_create_scratch (const char *handle_name); +struct file_handle *fh_create_dataset (struct dataset *); const struct fh_properties *fh_default_properties (void); /* Reference management. */ @@ -69,25 +87,26 @@ void fh_unname (struct file_handle *); /* Finding file handles. */ struct file_handle *fh_from_id (const char *handle_name); -struct file_handle *fh_from_file_name (const char *file_name); struct file_handle *fh_inline_file (void); /* Generic properties of file handles. */ const char *fh_get_id (const struct file_handle *); const char *fh_get_name (const struct file_handle *); enum fh_referent fh_get_referent (const struct file_handle *); +const char *fh_get_encoding (const struct file_handle *); /* Properties of FH_REF_FILE file handles. */ const char *fh_get_file_name (const struct file_handle *); +const char *fh_get_file_name_encoding (const struct file_handle *handle); enum fh_mode fh_get_mode (const struct file_handle *) ; +enum fh_line_ends fh_get_line_ends (const struct file_handle *); /* Properties of FH_REF_FILE and FH_REF_INLINE file handles. */ size_t fh_get_record_width (const struct file_handle *); size_t fh_get_tab_width (const struct file_handle *); -/* Properties of FH_REF_SCRATCH file handles. */ -struct scratch_handle *fh_get_scratch_handle (const struct file_handle *); -void fh_set_scratch_handle (struct file_handle *, struct scratch_handle *); +/* Properties of FH_REF_DATASET file handles. */ +struct dataset *fh_get_dataset (const struct file_handle *); /* Mutual exclusion for access . */ struct fh_lock *fh_lock (struct file_handle *, enum fh_referent mask,