X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fsys-file-writer.c;h=3fed2e05445135ec2ebcc300ce23c4855d0f41df;hb=20d1a04f1af4d67583bfd97658447ee7a135dfad;hp=4907ad7389ba32a2ecf900e762b06a5651b1c321;hpb=5c3291dc396b795696e94f47780308fd7ace6fc4;p=pspp-builds.git diff --git a/src/data/sys-file-writer.c b/src/data/sys-file-writer.c index 4907ad73..3fed2e05 100644 --- a/src/data/sys-file-writer.c +++ b/src/data/sys-file-writer.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include @@ -94,9 +95,9 @@ struct sfm_writer static const struct casewriter_class sys_file_casewriter_class; static void write_header (struct sfm_writer *, const struct dictionary *); -static void write_variable (struct sfm_writer *, const struct variable *); +static void write_variable (struct sfm_writer *, const struct variable *, const struct dictionary *); static void write_value_labels (struct sfm_writer *, - struct variable *, int idx); + struct variable *, int idx, const struct dictionary *); static void write_integer_info_record (struct sfm_writer *); static void write_float_info_record (struct sfm_writer *); @@ -109,6 +110,8 @@ static void write_encoding_record (struct sfm_writer *w, static void write_vls_length_table (struct sfm_writer *w, const struct dictionary *dict); +static void write_long_string_value_labels (struct sfm_writer *, + const struct dictionary *); static void write_variable_display_parameters (struct sfm_writer *w, const struct dictionary *dict); @@ -220,7 +223,7 @@ sfm_open_writer (struct file_handle *fh, struct dictionary *d, /* Write basic variable info. */ short_names_assign (d); for (i = 0; i < dict_get_var_cnt (d); i++) - write_variable (w, dict_get_var (d, i)); + write_variable (w, dict_get_var (d, i), d); /* Write out value labels. */ idx = 0; @@ -228,7 +231,7 @@ sfm_open_writer (struct file_handle *fh, struct dictionary *d, { struct variable *v = dict_get_var (d, i); - write_value_labels (w, v, idx); + write_value_labels (w, v, idx, d); idx += sfm_width_to_octs (var_get_width (v)); } @@ -245,6 +248,8 @@ sfm_open_writer (struct file_handle *fh, struct dictionary *d, write_vls_length_table (w, d); + write_long_string_value_labels (w, d); + if (attrset_count (dict_get_attributes (d))) write_data_file_attributes (w, d); write_variable_attributes (w, d); @@ -416,12 +421,12 @@ write_variable_continuation_records (struct sfm_writer *w, int width) /* Write the variable record(s) for variable V to system file W. */ static void -write_variable (struct sfm_writer *w, const struct variable *v) +write_variable (struct sfm_writer *w, const struct variable *v, const struct dictionary *dict) { int width = var_get_width (v); int segment_cnt = sfm_width_to_segments (width); int seg0_width = sfm_segment_alloc_width (width, 0); - const struct missing_values *mv = var_get_missing_values (v); + struct missing_values mv; int i; /* Record type. */ @@ -436,7 +441,13 @@ write_variable (struct sfm_writer *w, const struct variable *v) /* Number of missing values. If there is a range, then the range counts as 2 missing values and causes the number to be negated. */ - write_int (w, mv_has_range (mv) ? -2 - mv_n_values (mv) : mv_n_values (mv)); + mv_copy (&mv, var_get_missing_values (v)); + if (mv_get_width (&mv) > 8) + mv_resize (&mv, 8); + if (mv_has_range (&mv)) + write_int (w, -2 - mv_n_values (&mv)); + else + write_int (w, mv_n_values (&mv)); /* Print and write formats. */ write_format (w, *var_get_print_format (v), seg0_width); @@ -451,25 +462,23 @@ write_variable (struct sfm_writer *w, const struct variable *v) if (var_has_label (v)) { const char *label = var_get_label (v); - size_t padded_len = ROUND_UP (MIN (strlen (label), 255), 4); + char *l = recode_string (dict_get_encoding (dict), UTF8, label, -1); + size_t padded_len = ROUND_UP (MIN (strlen (l), 255), 4); write_int (w, padded_len); - write_string (w, label, padded_len); + write_string (w, l, padded_len); + free (l); } /* Write the missing values, if any, range first. */ - if (mv_has_range (mv)) + if (mv_has_range (&mv)) { double x, y; - mv_get_range (mv, &x, &y); + mv_get_range (&mv, &x, &y); write_float (w, x); write_float (w, y); } - for (i = 0; i < mv_n_values (mv); i++) - { - union value value; - mv_get_value (mv, &value, i); - write_value (w, &value, seg0_width); - } + for (i = 0; i < mv_n_values (&mv); i++) + write_value (w, mv_get_value (&mv, i), mv_get_width (&mv)); write_variable_continuation_records (w, seg0_width); @@ -489,12 +498,17 @@ write_variable (struct sfm_writer *w, const struct variable *v) write_variable_continuation_records (w, seg_width); } + + mv_destroy (&mv); } /* Writes the value labels for variable V having system file - variable index IDX to system file W. */ + variable index IDX to system file W. + + Value labels for long string variables are written separately, + by write_long_string_value_labels. */ static void -write_value_labels (struct sfm_writer *w, struct variable *v, int idx) +write_value_labels (struct sfm_writer *w, struct variable *v, int idx, const struct dictionary *dict) { const struct val_labs *val_labs; const struct val_lab **labels; @@ -503,7 +517,7 @@ write_value_labels (struct sfm_writer *w, struct variable *v, int idx) val_labs = var_get_value_labels (v); n_labels = val_labs_count (val_labs); - if (n_labels == 0) + if (n_labels == 0 || var_get_width (v) > 8) return; /* Value label record. */ @@ -513,13 +527,14 @@ write_value_labels (struct sfm_writer *w, struct variable *v, int idx) for (i = 0; i < n_labels; i++) { const struct val_lab *vl = labels[i]; - const char *label = val_lab_get_label (vl); + char *label = recode_string (dict_get_encoding (dict), UTF8, val_lab_get_label (vl), -1); uint8_t len = MIN (strlen (label), 255); write_value (w, val_lab_get_value (vl), var_get_width (v)); write_bytes (w, &len, 1); write_bytes (w, label, len); write_zeros (w, REM_RND_UP (len + 1, 8)); + free (label); } free (labels); @@ -670,6 +685,71 @@ write_vls_length_table (struct sfm_writer *w, } +static void +write_long_string_value_labels (struct sfm_writer *w, + const struct dictionary *dict) +{ + size_t n_vars = dict_get_var_cnt (dict); + size_t size, i; + off_t start UNUSED; + + /* Figure out the size in advance. */ + size = 0; + for (i = 0; i < n_vars; i++) + { + struct variable *var = dict_get_var (dict, i); + const struct val_labs *val_labs = var_get_value_labels (var); + int width = var_get_width (var); + const struct val_lab *val_lab; + + if (val_labs_count (val_labs) == 0 || width < 9) + continue; + + size += 12 + strlen (var_get_name (var)); + for (val_lab = val_labs_first (val_labs); val_lab != NULL; + val_lab = val_labs_next (val_labs, val_lab)) + size += 8 + width + strlen (val_lab_get_label (val_lab)); + } + if (size == 0) + return; + + write_int (w, 7); /* Record type. */ + write_int (w, 21); /* Record subtype */ + write_int (w, 1); /* Data item (byte) size. */ + write_int (w, size); /* Number of data items. */ + + start = ftello (w->file); + for (i = 0; i < n_vars; i++) + { + struct variable *var = dict_get_var (dict, i); + const struct val_labs *val_labs = var_get_value_labels (var); + const char *var_name = var_get_name (var); + int width = var_get_width (var); + const struct val_lab *val_lab; + + if (val_labs_count (val_labs) == 0 || width < 9) + continue; + + write_int (w, strlen (var_name)); + write_bytes (w, var_name, strlen (var_name)); + write_int (w, width); + write_int (w, val_labs_count (val_labs)); + for (val_lab = val_labs_first (val_labs); val_lab != NULL; + val_lab = val_labs_next (val_labs, val_lab)) + { + const char *label = val_lab_get_label (val_lab); + size_t label_length = strlen (label); + + write_int (w, width); + write_bytes (w, value_str (val_lab_get_value (val_lab), width), + width); + write_int (w, label_length); + write_bytes (w, label, label_length); + } + } + assert (ftello (w->file) == start + size); +} + static void write_encoding_record (struct sfm_writer *w, const struct dictionary *d) @@ -698,11 +778,13 @@ write_longvar_table (struct sfm_writer *w, const struct dictionary *dict) for (i = 0; i < dict_get_var_cnt (dict); i++) { struct variable *v = dict_get_var (dict, i); + char *longname = recode_string (dict_get_encoding (dict), UTF8, var_get_name (v), -1); if (i) ds_put_char (&map, '\t'); ds_put_format (&map, "%s=%s", - var_get_short_name (v, 0), var_get_name (v)); + var_get_short_name (v, 0), longname); + free (longname); } write_int (w, 7); /* Record type. */