mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-21 14:01:53 +03:00
expend netsurf options API
This commit is contained in:
Vincent Sanders
parent
1c6232da6a
commit
aa4476cb5f
148
utils/nsoption.c
148
utils/nsoption.c
@ -208,7 +208,7 @@ static void nsoption_validate(struct nsoption_s *opts, struct nsoption_s *defs)
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opts[NSOPTION_curl_fetch_timeout].value.u = 60;
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while (((opts[NSOPTION_curl_fetch_timeout].value.u *
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opts[NSOPTION_max_retried_fetches].value.u) > 60) &&
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(opts[NSOPTION_max_retried_fetches].value.u > 1))
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(opts[NSOPTION_max_retried_fetches].value.u > 1))
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opts[NSOPTION_max_retried_fetches].value.u--;
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/* We ignore the result because we can't fail to validate. Yay */
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@ -278,69 +278,48 @@ nsoption_is_set(const struct nsoption_s *opts,
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}
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/**
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* Output choices to file stream
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* Output an option value into a file stream, in plain text format.
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*
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* @param option The option to output the value of.
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* @param fp The file stream to write to.
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* @param opts The options table to write.
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* @param defs The default value table to compare with.
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* @param all Output all entries not just ones changed from defaults
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* @return The number of bytes written to string or -1 on error
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*/
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static nserror
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nsoption_output(FILE *fp,
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struct nsoption_s *opts,
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struct nsoption_s *defs,
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bool all)
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static size_t nsoption_output_value_file(struct nsoption_s *option, void *ctx)
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{
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unsigned int entry; /* index to option being output */
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FILE *fp = ctx;
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size_t slen = 0; /* length added to stream */
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colour rgbcolour; /* RRGGBB */
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for (entry = 0; entry < NSOPTION_LISTEND; entry++) {
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if ((all == false) &&
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(nsoption_is_set(opts, defs, entry) == false)) {
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continue;
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}
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switch (option->type) {
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case OPTION_BOOL:
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slen = fprintf(fp, "%s:%c\n", option->key, option->value.b ? '1' : '0');
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break;
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switch (opts[entry].type) {
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case OPTION_BOOL:
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fprintf(fp, "%s:%c\n",
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opts[entry].key,
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opts[entry].value.b ? '1' : '0');
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break;
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case OPTION_INTEGER:
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slen = fprintf(fp, "%s:%i\n", option->key, option->value.i);
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case OPTION_INTEGER:
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fprintf(fp, "%s:%i\n",
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opts[entry].key,
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opts[entry].value.i);
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break;
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break;
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case OPTION_UINT:
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slen = fprintf(fp, "%s:%u\n", option->key, option->value.u);
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break;
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case OPTION_UINT:
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fprintf(fp, "%s:%u\n",
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opts[entry].key,
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opts[entry].value.u);
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break;
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case OPTION_COLOUR:
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rgbcolour = (((0x000000FF & option->value.c) << 16) |
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((0x0000FF00 & option->value.c) << 0) |
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((0x00FF0000 & option->value.c) >> 16));
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slen = fprintf(fp, "%s:%06"PRIx32"\n", option->key, rgbcolour);
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break;
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case OPTION_COLOUR:
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rgbcolour = (((0x000000FF & opts[entry].value.c) << 16) |
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((0x0000FF00 & opts[entry].value.c) << 0) |
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((0x00FF0000 & opts[entry].value.c) >> 16));
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fprintf(fp, "%s:%06"PRIx32"\n",
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opts[entry].key,
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rgbcolour);
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break;
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case OPTION_STRING:
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fprintf(fp, "%s:%s\n",
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opts[entry].key,
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((opts[entry].value.s == NULL) ||
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(*opts[entry].value.s == 0)) ? "" : opts[entry].value.s);
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break;
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}
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case OPTION_STRING:
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slen = fprintf(fp, "%s:%s\n",
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option->key,
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((option->value.s == NULL) ||
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(*option->value.s == 0)) ? "" : option->value.s);
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break;
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}
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return NSERROR_OK;
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return slen;
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}
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/**
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@ -388,12 +367,12 @@ nsoption_output_value_html(struct nsoption_s *option,
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slen = snprintf(string + pos,
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size - pos,
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"<span style=\"font-family:Monospace;\">"
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"#%06"PRIX32
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"#%06"PRIX32
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"</span> "
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"<span style=\"background-color: #%06"PRIx32"; "
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"border: 1px solid #%06"PRIx32"; "
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"display: inline-block; "
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"width: 1em; height: 1em;\">"
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"border: 1px solid #%06"PRIx32"; "
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"display: inline-block; "
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"width: 1em; height: 1em;\">"
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"</span>",
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rgbcolour,
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rgbcolour,
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@ -758,7 +737,51 @@ nsoption_read(const char *path, struct nsoption_s *opts)
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}
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/* exported interface documented in utils/nsoption.h */
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/*
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* Generate options via callback.
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*
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* exported interface documented in utils/nsoption.h
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*/
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nserror
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nsoption_generate(nsoption_generate_cb *generate_cb,
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void *generate_ctx,
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enum nsoption_generate_flags flags,
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struct nsoption_s *opts,
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struct nsoption_s *defs)
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{
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unsigned int entry; /* index to option being output */
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/* check to see if global table selected */
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if (opts == NULL) {
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opts = nsoptions;
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}
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/* check to see if global table selected */
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if (defs == NULL) {
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defs = nsoptions_default;
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}
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if ((opts == NULL) || (defs == NULL)) {
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return NSERROR_BAD_PARAMETER;
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}
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for (entry = 0; entry < NSOPTION_LISTEND; entry++) {
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if (((flags & NSOPTION_GENERATE_CHANGED) != 0) &&
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(nsoption_is_set(opts, defs, entry) == false)) {
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continue;
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}
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generate_cb(opts + entry, generate_ctx);
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}
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return NSERROR_OK;
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}
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/*
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* Write options that have changed from the defaults to a file.
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*
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* exported interface documented in utils/nsoption.h
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*/
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nserror
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nsoption_write(const char *path,
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struct nsoption_s *opts,
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@ -792,13 +815,18 @@ nsoption_write(const char *path,
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return NSERROR_NOT_FOUND;
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}
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ret = nsoption_output(fp, opts, defs, false);
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ret = nsoption_generate(nsoption_output_value_file,
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fp,
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NSOPTION_GENERATE_CHANGED,
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opts,
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defs);
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fclose(fp);
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return ret;
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}
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/* exported interface documented in utils/nsoption.h */
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nserror
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nsoption_dump(FILE *outf, struct nsoption_s *opts)
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@ -815,7 +843,11 @@ nsoption_dump(FILE *outf, struct nsoption_s *opts)
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return NSERROR_BAD_PARAMETER;
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}
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return nsoption_output(outf, opts, NULL, true);
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return nsoption_generate(nsoption_output_value_file,
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outf,
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NSOPTION_GENERATE_ALL,
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opts,
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nsoptions_default);
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}
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@ -161,17 +161,36 @@ enum nsoption_e {
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*/
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extern struct nsoption_s *nsoptions;
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/**
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* global default option table.
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*/
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extern struct nsoption_s *nsoptions_default;
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/**
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* default setting callback.
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*/
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typedef nserror(nsoption_set_default_t)(struct nsoption_s *defaults);
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/**
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* option generate callback
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*/
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typedef size_t(nsoption_generate_cb)(struct nsoption_s *option, void *ctx);
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/**
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* flags to control option output in the generate call
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*/
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enum nsoption_generate_flags {
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/** Generate output for all options */
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NSOPTION_GENERATE_ALL = 0,
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/** Generate output for options which differ from the default */
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NSOPTION_GENERATE_CHANGED = 1,
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};
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/**
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* Initialise option system.
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*
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@ -206,6 +225,21 @@ nserror nsoption_finalise(struct nsoption_s *opts, struct nsoption_s *defs);
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nserror nsoption_read(const char *path, struct nsoption_s *opts);
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/**
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* Generate options via acallback.
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*
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* iterates options controlled by flags calling a method for each matched option.
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*
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* @param cb Function called for each option to be output.
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* @param ctx The context for the callback.
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* @param flags Flags controlling option matching.
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* @param opts The options table to enerate values from or NULL to use global.
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* @param defs The default table to use or NULL to use global.
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* @return The error status.
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*/
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nserror nsoption_generate(nsoption_generate_cb *cb, void *ctx, enum nsoption_generate_flags flags, struct nsoption_s *opts, struct nsoption_s *defs);
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/**
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* Write options that have changed from the defaults to a file.
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*
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