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| author | Akinori Ito <aito@eie.yz.yamagata-u.ac.jp> | 2001-11-08 05:14:08 +0000 |
|---|---|---|
| committer | Akinori Ito <aito@eie.yz.yamagata-u.ac.jp> | 2001-11-08 05:14:08 +0000 |
| commit | 68a07bf03b7624c9924065cce9ffa45497225834 (patch) | |
| tree | c2adb06a909a8594445e4a3f8587c4bad46e3ecd /history.c | |
| download | w3m-68a07bf03b7624c9924065cce9ffa45497225834.tar.gz w3m-68a07bf03b7624c9924065cce9ffa45497225834.zip | |
Initial revision
Diffstat (limited to 'history.c')
| -rw-r--r-- | history.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/history.c b/history.c new file mode 100644 index 0000000..73c59a6 --- /dev/null +++ b/history.c @@ -0,0 +1,196 @@ + +#include "fm.h" + +#ifdef USE_HISTORY +Buffer * +historyBuffer(Hist * hist) +{ + Str src = Strnew(); + HistItem *item; + char *q; + + Strcat_charp(src, "<html>\n<head><title>History Page</title></head>\n"); + Strcat_charp(src, "<body>\n<h1>History Page</h1>\n<hr>\n"); + Strcat_charp(src, "<ol>\n"); + if (hist && hist->list) { + for (item = hist->list->last; item; item = item->prev) { + q = htmlquote_str((char *)item->ptr); + Strcat_charp(src, "<li><a href=\""); + Strcat_charp(src, q); + Strcat_charp(src, "\">"); + Strcat_charp(src, q); + Strcat_charp(src, "</a>\n"); + } + } + Strcat_charp(src, "</ol>\n</body>\n</html>"); + return loadHTMLString(src); +} + +void +loadHistory(Hist * hist) +{ + FILE *f; + Str line; + + if (hist == NULL) + return; + if ((f = fopen(rcFile(HISTORY_FILE), "rt")) == NULL) + return; + + while (!feof(f)) { + line = Strfgets(f); + Strchop(line); + Strremovefirstspaces(line); + Strremovetrailingspaces(line); + if (line->length == 0) + continue; + pushHist(hist, line->ptr); + } + fclose(f); +} + +void +saveHistory(Hist * hist, size_t size) +{ + FILE *f; + HistItem *item; + + if (hist == NULL || hist->list == NULL) + return; + if ((f = fopen(rcFile(HISTORY_FILE), "w")) == NULL) { + disp_err_message("Can't open history", FALSE); + return; + } + for (item = hist->list->first; item && hist->list->nitem > size; + item = item->next) + size++; + for (; item; item = item->next) + fprintf(f, "%s\n", (char *)item->ptr); + fclose(f); +} +#endif /* USE_HISTORY */ + +Hist * +newHist() +{ + Hist *hist; + + hist = New(Hist); + hist->list = (HistList *)newGeneralList(); + hist->current = NULL; + hist->hash = NULL; + return hist; +} + +HistItem * +unshiftHist(Hist *hist, char *ptr) +{ + HistItem *item; + + if (hist == NULL || hist->list == NULL) + return NULL; + item = (HistItem *)newListItem((void *)allocStr(ptr, 0), + (ListItem *)hist->list->first, NULL); + if (hist->list->first) + hist->list->first->prev = item; + else + hist->list->last = item; + hist->list->first = item; + hist->list->nitem++; + return item; +} + +HistItem * +pushHist(Hist *hist, char *ptr) + { + HistItem *item; + + if (hist == NULL || hist->list == NULL) + return NULL; + item = (HistItem *)newListItem((void *)allocStr(ptr, 0), + NULL, (ListItem *)hist->list->last); + if (hist->list->last) + hist->list->last->next = item; + else + hist->list->first = item; + hist->list->last = item; + hist->list->nitem++; + return item; +} + +/* Don't mix pushHashHist() and pushHist()/unshiftHist(). */ + +HistItem * +pushHashHist(Hist * hist, char *ptr) +{ + HistItem *item; + + if (hist == NULL || hist->list == NULL) + return NULL; + item = getHashHist(hist, ptr); + if (item) { + if (item->next) + item->next->prev = item->prev; + else /* item == hist->list->last */ + hist->list->last = item->prev; + if (item->prev) + item->prev->next = item->next; + else /* item == hist->list->first */ + hist->list->first = item->next; + hist->list->nitem--; + } + item = pushHist(hist, ptr); + putHash_hist(hist->hash, ptr, (void *)item); + return item; +} + +HistItem * +getHashHist(Hist * hist, char *ptr) +{ + HistItem *item; + + if (hist == NULL || hist->list == NULL) + return NULL; + if (hist->hash == NULL) { + hist->hash = newHash_hist(HIST_HASH_SIZE); + for (item = hist->list->first; item; item = item->next) + putHash_hist(hist->hash, (char *)item->ptr, (void *)item); + } + return (HistItem *)getHash_hist(hist->hash, ptr, NULL); +} + +char * +lastHist(Hist * hist) +{ + if (hist == NULL || hist->list == NULL) + return NULL; + if (hist->list->last) { + hist->current = hist->list->last; + return (char *)hist->current->ptr; + } + return NULL; +} + +char * +nextHist(Hist * hist) +{ + if (hist == NULL || hist->list == NULL) + return NULL; + if (hist->current && hist->current->next) { + hist->current = hist->current->next; + return (char *)hist->current->ptr; + } + return NULL; +} + +char * +prevHist(Hist * hist) +{ + if (hist == NULL || hist->list == NULL) + return NULL; + if (hist->current && hist->current->prev) { + hist->current = hist->current->prev; + return (char *)hist->current->ptr; + } + return NULL; +} |