diff options
Diffstat (limited to 'history.c')
| -rw-r--r-- | history.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/history.c b/history.c new file mode 100644 index 0000000..951ef83 --- /dev/null +++ b/history.c @@ -0,0 +1,223 @@ +/* $Id: history.c,v 1.11 2003/09/26 17:59:51 ukai Exp $ */ +#include "fm.h" + +#ifdef USE_HISTORY +Buffer * +historyBuffer(Hist *hist) +{ + Str src = Strnew(); + HistItem *item; + char *p, *q; + + /* FIXME: gettextize? */ + 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 = html_quote((char *)item->ptr); + if (DecodeURL) + p = html_quote(url_unquote_conv((char *)item->ptr, 0)); + else + p = q; + Strcat_charp(src, "<li><a href=\""); + Strcat_charp(src, q); + Strcat_charp(src, "\">"); + Strcat_charp(src, p); + 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, url_quote(line->ptr)); + } + fclose(f); +} + +void +saveHistory(Hist *hist, size_t size) +{ + FILE *f; + HistItem *item; + char *tmpf; + + if (hist == NULL || hist->list == NULL) + return; + tmpf = tmpfname(TMPF_DFL, NULL)->ptr; + if ((f = fopen(tmpf, "w")) == NULL) { + /* FIXME: gettextize? */ + 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); + if (fclose(f) == EOF) { + /* FIXME: gettextize? */ + disp_err_message("Can't save history", FALSE); + return; + } + rename(tmpf, rcFile(HISTORY_FILE)); +} +#endif /* USE_HISTORY */ + +Hist * +newHist() +{ + Hist *hist; + + hist = New(Hist); + hist->list = (HistList *)newGeneralList(); + hist->current = NULL; + hist->hash = NULL; + return hist; +} + +Hist * +copyHist(Hist *hist) +{ + Hist *new; + HistItem *item; + + if (hist == NULL) + return NULL; + new = newHist(); + for (item = hist->list->first; item; item = item->next) + pushHist(new, (char *)item->ptr); + return new; +} + +HistItem * +unshiftHist(Hist *hist, char *ptr) +{ + HistItem *item; + + if (hist == NULL || hist->list == NULL) + return NULL; + item = (HistItem *)newListItem((void *)allocStr(ptr, -1), + (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, -1), + 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_sv(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_sv(HIST_HASH_SIZE); + for (item = hist->list->first; item; item = item->next) + putHash_sv(hist->hash, (char *)item->ptr, (void *)item); + } + return (HistItem *)getHash_sv(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; +} |