Instead of 66 objects, have 1 object. More confusing, but faster?
This commit is contained in:
parent
2807b5704d
commit
5d3e027f36
|
@ -19,33 +19,37 @@
|
|||
#include "../src/array.h"
|
||||
|
||||
/** Append a text file, `fn`, to `c`, and add a '\0'.
|
||||
@return Success. A partial read is failure. @throws[fopen, fread, malloc]
|
||||
@return The start of the appended file or null on error. A partial read is a
|
||||
failure. @throws[fopen, fread, malloc]
|
||||
@throws[EISEQ] The text file has embedded nulls.
|
||||
@throws[ERANGE] If the standard library does not follow POSIX. */
|
||||
static int append_file(struct char_array *c, const char *const fn) {
|
||||
static char *append_file(struct char_array *text, const char *const fn) {
|
||||
FILE *fp = 0;
|
||||
const size_t granularity = 1024;
|
||||
size_t nread;
|
||||
size_t nread, start;
|
||||
char *cursor;
|
||||
int success = 0;
|
||||
assert(c && fn);
|
||||
int success = 1;
|
||||
assert(text && fn);
|
||||
start = text->size;
|
||||
if(!(fp = fopen(fn, "r"))) goto catch;
|
||||
/* Read entire file in chunks. */
|
||||
do if(!(cursor = char_array_buffer(c, granularity))
|
||||
do if(!(cursor = char_array_buffer(text, granularity))
|
||||
|| (nread = fread(cursor, 1, granularity, fp), ferror(fp))
|
||||
|| !char_array_append(c, nread)) goto catch;
|
||||
|| !char_array_append(text, nread)) goto catch;
|
||||
while(nread == granularity);
|
||||
/* File to `C` string. */
|
||||
if(!(cursor = char_array_new(c))) goto catch;
|
||||
if(!(cursor = char_array_new(text))) goto catch;
|
||||
*cursor = '\0';
|
||||
/* Binary files with embedded '\0' are not allowed. */
|
||||
if(strchr(c->data, '\0') != cursor) { errno = EILSEQ; goto catch; }
|
||||
{ success = 1; goto finally; }
|
||||
/* Binary files with embedded '\0' are not allowed; check just this read. */
|
||||
if(strchr(text->data + start, '\0') != cursor)
|
||||
{ errno = EILSEQ; goto catch; }
|
||||
goto finally;
|
||||
catch:
|
||||
if(!errno) errno = EILSEQ; /* Will never be true on POSIX. */
|
||||
success = 0;
|
||||
finally:
|
||||
if(fp) fclose(fp);
|
||||
return success;
|
||||
return success ? text->data + start : 0;
|
||||
}
|
||||
|
||||
|
||||
|
@ -245,12 +249,12 @@ static uint32_t lowbias32_r(uint32_t x) {
|
|||
return x;
|
||||
}
|
||||
|
||||
/** Two hash-tables use the same structure. */
|
||||
union kjvcite {
|
||||
/* Overkill, but no initializing unused bits, 12 + 13 + 7 = 32. */
|
||||
struct { unsigned verse : 12, chapter : 13, book : 7; };
|
||||
uint32_t u32;
|
||||
};
|
||||
|
||||
static uint32_t kjv_hash(const union kjvcite x) { return lowbias32(x.u32); }
|
||||
static union kjvcite kjv_unhash(const uint32_t x) {
|
||||
union kjvcite k;
|
||||
|
@ -261,25 +265,25 @@ static void kjv_to_string(const union kjvcite x, char (*const a)[12])
|
|||
{ sprintf(*a, "%.4s%u:%u", kjv_book_string[x.book],
|
||||
(x.chapter + 1) % 1000, (x.verse + 1) % 1000); }
|
||||
|
||||
static uint32_t kjvword_hash(const union kjvcite x) { return kjv_hash(x); }
|
||||
static union kjvcite kjvword_unhash(const uint32_t x) { return kjv_unhash(x); }
|
||||
static void kjvword_to_string(const union kjvcite x, char (*const a)[12])
|
||||
/** Derived information on verse word count. */
|
||||
static uint32_t verse_hash(const union kjvcite x) { return kjv_hash(x); }
|
||||
static union kjvcite verse_unhash(const uint32_t x) { return kjv_unhash(x); }
|
||||
static void verse_to_string(const union kjvcite x, char (*const a)[12])
|
||||
{ kjv_to_string(x, a); }
|
||||
|
||||
#define TABLE_NAME kjvword
|
||||
#define TABLE_NAME verse
|
||||
#define TABLE_KEY union kjvcite
|
||||
#define TABLE_UINT uint32_t
|
||||
#define TABLE_VALUE unsigned
|
||||
#define TABLE_DEFAULT 0
|
||||
#define TABLE_INVERSE
|
||||
#define TABLE_DEFAULT 0
|
||||
#define TABLE_TO_STRING
|
||||
#include "../src/table.h"
|
||||
|
||||
/* A set of verses. */
|
||||
static uint32_t kjvset_hash(const union kjvcite x) { return kjv_hash(x); }
|
||||
static union kjvcite kjvset_unhash(const uint32_t x) { return kjv_unhash(x); }
|
||||
static void kjvset_to_string(const union kjvcite x, char (*const a)[12])
|
||||
{ kjv_to_string(x, a); }
|
||||
|
||||
#define TABLE_NAME kjvset
|
||||
#define TABLE_KEY union kjvcite
|
||||
#define TABLE_UINT uint32_t
|
||||
|
@ -288,76 +292,78 @@ static void kjvset_to_string(const union kjvcite x, char (*const a)[12])
|
|||
#include "../src/table.h"
|
||||
|
||||
int main(void) {
|
||||
const char *const dir_name = "KJV";
|
||||
struct char_array kjv[KJV_BOOK_SIZE] = { 0 };
|
||||
struct kjvword_table words = { 0 };
|
||||
int success = EXIT_SUCCESS;
|
||||
const char *const dir_kjv = "KJV";
|
||||
struct {
|
||||
struct char_array backing;
|
||||
struct verse_table verses;
|
||||
size_t words;
|
||||
} kjv = { 0 };
|
||||
DIR *dir = 0;
|
||||
struct dirent *de = 0;
|
||||
unsigned i;
|
||||
size_t cum_words = 0;
|
||||
struct { size_t offset; int is; } build[KJV_BOOK_SIZE] = { 0 };
|
||||
enum kjv_book b = 0;
|
||||
int success = EXIT_SUCCESS, attempted_closedir = 0;
|
||||
errno = 0;
|
||||
|
||||
/* Read in the kjv from all files. This is overkill, we don't need to keep
|
||||
all the data, just count. Maybe we'll do something else later? */
|
||||
if(chdir(dir_name) == -1 || !(dir = opendir("."))) goto catch;
|
||||
while((de = readdir(dir))) { /* For all files in directory. */
|
||||
/* For all files in directory KJV with <#>*.txt, read into backing. */
|
||||
if(chdir(dir_kjv) == -1 || !(dir = opendir("."))) goto catch;
|
||||
while((de = readdir(dir))) {
|
||||
unsigned ordinal;
|
||||
enum kjv_book b;
|
||||
if(!kjv_filename(de->d_name, &ordinal)) /* Extract ordinal. */
|
||||
{ /*fprintf(stderr, "Ignored <%s>.\n", de->d_name);*/ continue; }
|
||||
char *unstable_book;
|
||||
if(!kjv_filename(de->d_name, &ordinal)) continue; /* Extract no. */
|
||||
/*fprintf(stderr, "<%s> ordinal: %u\n", de->d_name, ordinal);*/
|
||||
if(ordinal < 1 || ordinal > KJV_BOOK_SIZE)
|
||||
{ errno = ERANGE; goto catch; } /* Not in range. */
|
||||
if(kjv[b = ordinal - 1].data) /* Convert to zero-based. */
|
||||
if(build[b = ordinal - 1].is) /* Convert to zero-based. */
|
||||
{ errno = EDOM; goto catch; } /* Duplicate. */
|
||||
if(!append_file(kjv + b, de->d_name)) goto catch;
|
||||
if(!(unstable_book = append_file(&kjv.backing, de->d_name))) goto catch;
|
||||
build[b].is = 1;
|
||||
build[b].offset = (size_t)(unstable_book - kjv.backing.data);
|
||||
}
|
||||
closedir(dir), de = 0, dir = 0;
|
||||
if(attempted_closedir = 1, closedir(dir) == -1) goto catch; dir = 0;
|
||||
|
||||
/* Parse number of words in each verse. */
|
||||
for(i = 0; i < KJV_BOOK_SIZE; i++) {
|
||||
struct lex x = lex(kjv[i].data);
|
||||
if(!x.cursor) { fprintf(stderr, "Missing book [%u]%s.\n",
|
||||
i + 1, kjv_book_string[i]); errno = EDOM; goto catch; }
|
||||
/*printf("[%u]%s: cumulative %zu.\n",
|
||||
i + 1, kjv_book_string[i], cum_words);*/
|
||||
/* Now backing is stable; count all the words for each verse. */
|
||||
for(b = 0; b < KJV_BOOK_SIZE; b++) {
|
||||
struct lex x;
|
||||
if(!build[b].is) { fprintf(stderr, "Missing book [%u]%s.\n",
|
||||
b + 1, kjv_book_string[b]); errno = EDOM; goto catch; }
|
||||
x = lex(kjv.backing.data + build[b].offset);
|
||||
while(lex_next_verse(&x)) {
|
||||
const union kjvcite c
|
||||
= { .verse = x.verse, .chapter = x.chapter, .book = i };
|
||||
unsigned *w;
|
||||
switch(kjvword_table_assign(&words, c, &w)) {
|
||||
const union kjvcite cite
|
||||
= { .book = b, .chapter = x.chapter, .verse = x.verse };
|
||||
unsigned *words;
|
||||
switch(verse_table_assign(&kjv.verses, cite, &words)) {
|
||||
case TABLE_PRESENT: fprintf(stderr, "[%u]%s %u:%u duplicated.\n",
|
||||
i + 1, kjv_book_string[i], x.chapter, x.verse); errno = EDOM;
|
||||
b + 1, kjv_book_string[b], x.chapter, x.verse); errno = EDOM;
|
||||
case TABLE_ERROR: goto catch;
|
||||
case TABLE_ABSENT: *w = x.words; break;
|
||||
case TABLE_ABSENT: break;
|
||||
}
|
||||
cum_words += x.words;
|
||||
*words = x.words, kjv.words += x.words;
|
||||
}
|
||||
if(x.error) { fprintf(stderr, "[%u]%s on line %zu\n",
|
||||
i + 1, kjv_book_string[i], x.line); goto catch; }
|
||||
b + 1, kjv_book_string[b], x.line); goto catch; }
|
||||
}
|
||||
|
||||
printf("words: %s\n", kjvword_table_to_string(&words));
|
||||
printf("kjv: %zu total words\n", cum_words);
|
||||
printf("words: %s\n", verse_table_to_string(&kjv.verses));
|
||||
printf("kjv: %zu total words\n", kjv.words);
|
||||
{
|
||||
union kjvcite c;
|
||||
struct kjvword_table_iterator it = kjvword_table_begin(&words);
|
||||
struct verse_table_iterator it = verse_table_begin(&kjv.verses);
|
||||
unsigned *w;
|
||||
while(kjvword_table_next(&it, &c, &w))
|
||||
while(verse_table_next(&it, &c, &w))
|
||||
printf("%s %u:%u -> %u\n",
|
||||
kjv_book_string[c.book], c.chapter, c.verse, *w);
|
||||
c = (union kjvcite){ .book = Genesis, .chapter = 1, .verse = 1 };
|
||||
printf("1:1:1 -> %u\n", kjvword_table_get(&words, c));
|
||||
printf("1:1:1 -> %u\n", verse_table_get(&kjv.verses, c));
|
||||
}
|
||||
goto finally;
|
||||
catch:
|
||||
success = EXIT_FAILURE;
|
||||
perror(de ? de->d_name : dir_name);
|
||||
if(dir && closedir(dir)) perror(dir_name);
|
||||
if(de) fprintf(stderr, "While reading %s.\n", de->d_name);
|
||||
perror(de ? de->d_name : dir_kjv);
|
||||
if(dir && !attempted_closedir && closedir(dir) == -1) perror(dir_kjv);
|
||||
finally:
|
||||
/*kjvset_table_();*/
|
||||
kjvword_table_(&words);
|
||||
for(i = 0; i < KJV_BOOK_SIZE; i++) char_array_(kjv + i);
|
||||
verse_table_(&kjv.verses);
|
||||
char_array_(&kjv.backing);
|
||||
return success;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue