diff options
Diffstat (limited to 'third_party/mcpc/src/complt.c')
| -rw-r--r-- | third_party/mcpc/src/complt.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/third_party/mcpc/src/complt.c b/third_party/mcpc/src/complt.c new file mode 100644 index 0000000..730d53b --- /dev/null +++ b/third_party/mcpc/src/complt.c @@ -0,0 +1,162 @@ +// This file is part of the mcpc library. +// +// Copyright (C) 2025 Michael Lee <micl2e2 AT proton.me> +// +// Permission is hereby granted, free of charge, to any person obtaining a copy of +// this software and associated documentation files (the "Software"), to deal in +// the Software without restriction, including without limitation the rights to +// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +// the Software, and to permit persons to whom the Software is furnished to do so, +// subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +#include "complt.h" + +#include "anydata.h" +#include "ext_string.h" + + +mcpc_complt_t * +mcpc_complt_new () +{ + mcpc_anydata_t *hp = mcpc_anydata_new (); + + hp->flags |= ANYDATA_FL_COMPLT; + + return hp; +} + +mcpc_errcode_t +mcpc_complt_add_compltcandi_u8str (mcpc_complt_t *complt, const char8_t *u8str, size_t u8str_len) +{ + bug_if_nullptr (complt); + bug_if_nullptr (u8str); + mcpc_anydata_t *chd = mcpc_anydata_new (); + bug_if_nz (mcpc_anydata_set_u8str (chd, u8str, u8str_len)); + if (complt->chd_pool == nullptr) + complt->chd_pool = mcpc_anypool_new (); + (mcpc_anypool_addfre (complt->chd_pool, chd)); + return MCPC_EC_0; +} + +// provide completions for specific prompt arg, completing its hint, (currently hint is anydata with merely u8str data) +mcpc_complt_t * +mcpc_complt_new_prmptarg (const mcpc_prmpt_t *prmpt, const char8_t *argname, size_t argname_len, const char8_t *argval, + size_t argval_len) +{ + mcpc_complt_t *complt = mcpc_complt_new (); + + const mcpc_prmptarg_t *prmptarg = mcpc_prmpt_getbyname_prmptarg (prmpt, argname, argname_len); + if (prmptarg == nullptr) + return complt; + + bool match_any = argval_len == 0; + + const mcpc_prmptarghint_t *cur_candi = nullptr; + while ((cur_candi = mcpc_prmptarg_get_next_prmptarghint (prmptarg))) + { + const char8_t *cur_val; + size_t cur_val_len; + bug_if_nz (mcpc_prmptarghint_getref_u8str (cur_candi, &cur_val, &cur_val_len)); + + if (match_any) + bug_if_nz (mcpc_complt_add_compltcandi_u8str (complt, cur_val, cur_val_len)); + else + { + size_t cmpsz = min_size (cur_val_len, argval_len); + if (0 == u8strncmp (argval, cur_val, cmpsz)) + { + bug_if_nz (mcpc_complt_add_compltcandi_u8str (complt, cur_val, cur_val_len)); + } + } + } + + return complt; +} + +// provide completions for specific rsc, completing uri +mcpc_complt_t * +mcpc_complt_new_rsc (const mcpc_rscpool_t *rscpool, const char8_t *uriparts, size_t uriparts_len) +{ + mcpc_complt_t *complt = mcpc_complt_new (); + + bool match_any = uriparts_len == 0; + + const mcpc_rsc_t *cur_rsc = nullptr; + while ((cur_rsc = mcpc_rscpool_get_next (rscpool))) + { + const char8_t *cur_uri; + size_t cur_uri_len; + bug_if_nz (mcpc_rsc_getref_uri (cur_rsc, &cur_uri, &cur_uri_len)); + + if (match_any) + bug_if_nz (mcpc_complt_add_compltcandi_u8str (complt, cur_uri, cur_uri_len)); + else if (uriparts_len <= cur_uri_len) + { + size_t cmpsz = uriparts_len; + if (0 == u8strncmp (cur_uri, uriparts, cmpsz)) + bug_if_nz (mcpc_complt_add_compltcandi_u8str (complt, cur_uri, cur_uri_len)); + } + } + + return complt; +} + +void +mcpc_complt_free (mcpc_complt_t *complt) +{ + mcpc_anydata_free (complt); +} + +mcpc_errcode_t +mcpc_complt_get_compltcandi_len (const mcpc_complt_t *complt, size_t *ret) +{ + bug_if_nullptr (complt); + if (complt->chd_pool == nullptr) + *ret = 0; + else + *ret = complt->chd_pool->len; + return MCPC_EC_0; +} + +const mcpc_compltcand_t * +mcpc_complt_get_next_compltcand (const mcpc_complt_t *complt) +{ + bug_if_nullptr (complt); + + static size_t idx = 0; + + const mcpc_anypool_t *pool = complt->chd_pool; + if (pool == nullptr) + return nullptr; + + const size_t pool_len = pool->len; + if (pool_len == 0) + return nullptr; + + if (idx == pool_len) // TODO MT-SAFE + { + idx = 0; + return nullptr; + } + + const mcpc_anydata_t *ret = pool->head + idx; + idx += 1; + + return ret; +} + +mcpc_errcode_t +mcpc_compltcand_getref_u8str (const mcpc_compltcand_t *compltcand, const char8_t **ret, size_t *ret_len) +{ + return mcpc_anydata_getref_u8str (compltcand, ret, ret_len); +} |