mirror of
https://github.com/MeshEnvy/lobbs.git
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125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
#if !MESHTASTIC_EXCLUDE_LOBBS
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#include "HelpCommands.h"
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#include "../../LoBBSCommandRegistry.h"
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#include "../../LoBBSConfig.h"
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#include "../../LoBBSHooks.h"
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#include "../../LoBBSResponse.h"
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#include "../../LoBBSVersion.h"
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#include <cstring>
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#include <lodb/LoDB.h>
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#include "LoBBSStackGuard.h"
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static void lobbsTrimRestInPlace(char *s)
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{
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if (!s)
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return;
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char *p = s;
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while (*p == ' ' || *p == '\t')
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p++;
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if (p != s)
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memmove(s, p, strlen(p) + 1);
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size_t len = strlen(s);
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while (len > 0 && (s[len - 1] == ' ' || s[len - 1] == '\t'))
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s[--len] = '\0';
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}
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static void replyCatalog(LoBBSCommandCtx &ctx)
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{
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std::vector<LoScalar> topics;
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lobbsRecordPush(topics, "help", "this list, or /help topic");
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lobbsRecordPush(topics, "hi", "welcome screen");
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lobbsRecordPush(topics, "pN", "page N of the last reply");
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lobbsApplyFilter("help_topics", ctx, topics, LoScalar());
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LoBBSResponse resp;
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lobbsRecordPush(resp.records, "LoBBS v" LOBBS_VERSION_SHORT " Help");
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resp.records.insert(resp.records.end(), topics.begin(), topics.end());
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lobbsCommandReplyResponse(ctx, resp);
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}
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static void replyTopicHelp(LoBBSCommandCtx &ctx, const char *query)
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{
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LoScalar args;
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args.setString(LODB_F_TITLE, query);
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LoScalar topic;
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topic.setString(LODB_F_TITLE, query);
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lobbsApplyFilter("help_for_topic", ctx, topic, args);
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LoBBSResponse resp;
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std::string body;
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if (!topic.getString(LODB_F_DESCRIPTION, body) || body.empty()) {
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lobbsRecordPush(resp.records, (std::string("No help found for ") + query).c_str());
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lobbsCommandReplyResponse(ctx, resp);
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return;
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}
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size_t start = 0;
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while (start <= body.size()) {
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size_t nl = body.find('\n', start);
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if (nl == std::string::npos)
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nl = body.size();
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lobbsRecordPush(resp.records, body.substr(start, nl - start).c_str());
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start = nl + 1;
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}
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lobbsCommandReplyResponse(ctx, resp);
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}
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static void replyHi(LoBBSCommandCtx &ctx)
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{
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LoBBSResponse resp;
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lobbsRecordPush(resp.records, "LoBBS v" LOBBS_VERSION_SHORT);
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char uname[LOBBS_USERNAME_BUFFER_SIZE];
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if (lobbsCtxLoggedIn(ctx) && lobbsCtxUsername(ctx, uname, sizeof(uname)))
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lobbsRecordPush(resp.records, (std::string("Welcome back, ") + uname + "!").c_str());
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else
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lobbsRecordPush(resp.records, "Welcome!");
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lobbsRecordPush(resp.records, LOBBS_HELP_HINT);
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lobbsRecordPush(resp.records, "Use /status to see what's happening");
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if (!lobbsCtxLoggedIn(ctx))
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lobbsRecordPush(resp.records, "Use /login to sign in");
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lobbsCommandReplyResponse(ctx, resp);
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}
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static void slashHelp(LoBBSCommandCtx *ctx, const LoScalar &args)
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{
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if (!ctx)
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return;
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if (lobbsSlashVerbIs(args, "hi")) {
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replyHi(*ctx);
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return;
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}
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if (!lobbsSlashVerbIs(args, "help"))
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return;
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char work[128];
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work[0] = '\0';
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if (ctx->rest && ctx->rest[0])
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strncpy(work, ctx->rest, sizeof(work) - 1);
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lobbsTrimRestInPlace(work);
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if (!work[0]) {
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replyCatalog(*ctx);
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return;
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}
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replyTopicHelp(*ctx, work);
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}
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static const LoBBSVerb pagingHelpVerbs[] = {
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{"pN", nullptr, 0, "pN — next page of last reply (/p2, /43 p2 machine)"},
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};
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static void filterHelpForTopic(LoBBSCommandCtx *ctx, LoScalar &value, const LoScalar &args)
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{
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lobbsHelpForTable(ctx, value, args, "pN", pagingHelpVerbs, sizeof(pagingHelpVerbs) / sizeof(pagingHelpVerbs[0]));
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}
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void lobbsHelpRegisterCommands()
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{
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lobbsAddAction("slash_cmd", slashHelp, LOBBS_HOOK_PRIORITY_HELP);
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lobbsAddFilter("help_for_topic", filterHelpForTopic, LOBBS_HOOK_PRIORITY_HELP);
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}
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#endif
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