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hevakehevake
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!40 feat(terminal):1.12.22, 实现终端命令的补全功能
1. 实现终端命令的补全功能； 2. 对终端的代码进行了优化； 3. 添加了util::string::ExtractCommonPrefix()函数
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10 files changed

+297
-95
lines changed

10 files changed

+297
-95
lines changed

‎modules/terminal/impl/session_context.h‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -35,7 +35,7 @@ struct SessionContext {
3535
uint32_t options = 0;
3636

3737
std::string curr_input;
38-
size_t cursor = 0;
38+
size_t cursor_pos = 0;
3939

4040
Path path; //! 当前路径
4141
std::deque<std::string> history; //! 历史命令

‎modules/terminal/impl/terminal.h‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -54,7 +54,7 @@ class Terminal::Impl {
5454
NodeToken createDirNode(const std::string &help);
5555
bool deleteNode(NodeToken node_token);
5656
NodeToken rootNode() const { return root_token_; }
57-
NodeToken findNode(const std::string &path) const;
57+
NodeToken findNode(const std::string &path_str) const;
5858
bool mountNode(const NodeToken &parent, const NodeToken &child, const std::string &name);
5959
bool umountNode(const NodeToken &parent, const std::string &name);
6060

@@ -90,7 +90,9 @@ class Terminal::Impl {
9090
bool executeRunHistoryCmd(SessionContext *s, const Args &args);
9191
void executeUserCmd(SessionContext *s, const Args &args);
9292

93-
bool findNode(const std::string &path, Path &node_path) const;
93+
bool findNode(const std::string &path_str, Path &node_path) const;
94+
//! 从指定会话的当前路径寻找path_str对像的结点；如果不指定，则从根目录寻找
95+
NodeToken findNode(const std::string &path_str, SessionContext *s) const;
9496

9597
private:
9698
event::Loop *wp_loop_ = nullptr;

‎modules/terminal/impl/terminal_commands.cpp‎

Lines changed: 43 additions & 43 deletions
Original file line numberDiff line numberDiff line change
@@ -94,25 +94,25 @@ void Terminal::Impl::executeCdCmd(SessionContext *s, const Args &args)
9494
if (args.size() >= 2)
9595
path_str = args[1];
9696

97-
stringstream ss;
97+
ostringstream oss;
9898

9999
auto node_path = s->path;
100100
bool is_found = findNode(path_str, node_path);
101101
if (is_found) {
102102
auto top_node_token = node_path.empty() ? root_token_ : node_path.back().second;
103103
auto top_node = nodes_.at(top_node_token);
104104
if (top_node == nullptr) {
105-
ss << "Error: '" << path_str << "' node has been deleted." << "\r\n";
105+
oss << "Error: '" << path_str << "' node has been deleted." << "\r\n";
106106
} else if (top_node->type() == NodeType::kDir) {
107107
s->path = node_path;
108108
} else {
109-
ss << "Error: '" << path_str << "' not directory." << "\r\n";
109+
oss << "Error: '" << path_str << "' not directory." << "\r\n";
110110
}
111111
} else {
112-
ss << "Error: cannot access '" << path_str << "'.\r\n";
112+
oss << "Error: cannot access '" << path_str << "'.\r\n";
113113
}
114114

115-
s->wp_conn->send(s->token, ss.str());
115+
s->wp_conn->send(s->token, oss.str());
116116
}
117117

118118
void Terminal::Impl::executeHelpCmd(SessionContext *s, const Args &args)
@@ -122,7 +122,7 @@ void Terminal::Impl::executeHelpCmd(SessionContext *s, const Args &args)
122122
return;
123123
}
124124

125-
stringstream ss;
125+
ostringstream oss;
126126

127127
string path_str = args[1];
128128
auto node_path = s->path;
@@ -131,15 +131,15 @@ void Terminal::Impl::executeHelpCmd(SessionContext *s, const Args &args)
131131
auto top_node_token = node_path.empty() ? root_token_ : node_path.back().second;
132132
auto top_node = nodes_.at(top_node_token);
133133
if (top_node != nullptr) {
134-
ss << top_node->help() << "\r\n";
134+
oss << top_node->help() << "\r\n";
135135
} else {
136-
ss << "Error: '" << path_str << "' node has been deleted.\r\n";
136+
oss << "Error: '" << path_str << "' node has been deleted.\r\n";
137137
}
138138
} else {
139-
ss << "Error: cannot access '" << path_str << "'.\r\n";
139+
oss << "Error: cannot access '" << path_str << "'.\r\n";
140140
}
141141

142-
s->wp_conn->send(s->token, ss.str());
142+
s->wp_conn->send(s->token, oss.str());
143143
}
144144

145145
void Terminal::Impl::executeLsCmd(SessionContext *s, const Args &args)
@@ -148,48 +148,48 @@ void Terminal::Impl::executeLsCmd(SessionContext *s, const Args &args)
148148
if (args.size() >= 2)
149149
path_str = args[1];
150150

151-
stringstream ss;
151+
ostringstream oss;
152152

153153
auto node_path = s->path;
154154
bool is_found = findNode(path_str, node_path);
155155
if (is_found) {
156156
auto top_node_token = node_path.empty() ? root_token_ : node_path.back().second;
157157
auto top_node = nodes_.at(top_node_token);
158158
if (top_node == nullptr) {
159-
ss << "Error: '" << path_str << "' node has been deleted.\r\n";
159+
oss << "Error: '" << path_str << "' node has been deleted.\r\n";
160160
} else if (top_node->type() == NodeType::kDir) {
161161
auto top_dir_node = static_cast<DirNode*>(top_node);
162162
vector<NodeInfo> node_info_vec;
163163
top_dir_node->children(node_info_vec);
164164

165165
for (auto item : node_info_vec) {
166-
ss << "- " << item.name;
166+
oss << "- " << item.name;
167167
auto node = nodes_.at(item.token);
168168
if (node == nullptr) {
169-
ss << "(X)";
169+
oss << "(X)";
170170
} else if (node->type() == NodeType::kDir)
171-
ss << '/';
172-
ss << "\r\n";
171+
oss << '/';
172+
oss << "\r\n";
173173
}
174-
ss << "\r\n";
174+
oss << "\r\n";
175175
} else {
176-
ss << path_str << " is function" << ".\r\n";
176+
oss << path_str << " is function" << ".\r\n";
177177
}
178178
} else {
179-
ss << "Error: cannot access '" << path_str << "'.\r\n";
179+
oss << "Error: cannot access '" << path_str << "'.\r\n";
180180
}
181181

182-
s->wp_conn->send(s->token, ss.str());
182+
s->wp_conn->send(s->token, oss.str());
183183
}
184184

185185
void Terminal::Impl::executeHistoryCmd(SessionContext *s, const Args &)
186186
{
187-
stringstream ss;
187+
ostringstream oss;
188188
for (size_t i = 0; i < s->history.size(); ++i) {
189189
const auto &cmd = s->history.at(i);
190-
ss << setw(2) << i << " " << cmd << "\r\n";
190+
oss << setw(2) << i << " " << cmd << "\r\n";
191191
}
192-
s->wp_conn->send(s->token, ss.str());
192+
s->wp_conn->send(s->token, oss.str());
193193
}
194194

195195
void Terminal::Impl::executeExitCmd(SessionContext *s, const Args &)
@@ -212,7 +212,7 @@ void Terminal::Impl::executeTreeCmd(SessionContext *s, const Args &args)
212212
if (args.size() >= 2)
213213
path_str = args[1];
214214

215-
stringstream ss;
215+
ostringstream oss;
216216

217217
auto node_path = s->path;
218218
bool is_found = findNode(path_str, node_path);
@@ -221,7 +221,7 @@ void Terminal::Impl::executeTreeCmd(SessionContext *s, const Args &args)
221221
auto top_node_token = node_path.empty() ? root_token_ : node_path.back().second;
222222
auto top_node = nodes_.at(top_node_token);
223223
if (top_node == nullptr) {
224-
ss << node_path.back().first << " node has been deleted.\r\n";
224+
oss << node_path.back().first << " node has been deleted.\r\n";
225225
} else if (top_node->type() == NodeType::kDir) {
226226
vector<vector<NodeInfo>> node_token_stack; //!< 遍历栈
227227
string indent_str; //!< 缩进字串
@@ -257,15 +257,15 @@ void Terminal::Impl::executeTreeCmd(SessionContext *s, const Args &args)
257257
const char *curr_indent_str = is_last_node ? "`-- " : "|-- ";
258258

259259
auto &curr_node_info = last_level.front();
260-
ss << indent_str << curr_indent_str << curr_node_info.name;
260+
oss << indent_str << curr_indent_str << curr_node_info.name;
261261

262262
auto curr_node = nodes_.at(curr_node_info.token);
263263
if (curr_node == nullptr) {
264264
//! 如果已被删除了的结点，显示(X)
265-
ss << "(X)\r\n";
265+
oss << "(X)\r\n";
266266
} else if (curr_node->type() == NodeType::kFunc) {
267267
//! 如果是Func，就打印一下名称就可以了
268-
ss << "\r\n";
268+
oss << "\r\n";
269269
} else if (curr_node->type() == NodeType::kDir) {
270270
//! 如果是Dir，则需要再深入地遍历其子Node
271271
//! 首先需要查重，防止循环路径引起的死循环
@@ -276,9 +276,9 @@ void Terminal::Impl::executeTreeCmd(SessionContext *s, const Args &args)
276276
}
277277

278278
if (is_repeat)
279-
ss << "(R)";
279+
oss << "(R)";
280280

281-
ss << "\r\n";
281+
oss << "\r\n";
282282

283283
if (!is_repeat) {
284284
//! 找出该Dir下所有的子Node。
@@ -307,26 +307,26 @@ void Terminal::Impl::executeTreeCmd(SessionContext *s, const Args &args)
307307
}
308308
}
309309
} else {
310-
ss << node_path.back().first << " is a function.\r\n";
310+
oss << node_path.back().first << " is a function.\r\n";
311311
}
312312
} else {
313-
ss << "Error: cannot access '" << path_str << "'.\r\n";
313+
oss << "Error: cannot access '" << path_str << "'.\r\n";
314314
}
315315

316-
s->wp_conn->send(s->token, ss.str());
316+
s->wp_conn->send(s->token, oss.str());
317317
}
318318

319319
void Terminal::Impl::executePwdCmd(SessionContext *s, const Args &)
320320
{
321-
stringstream ss;
322-
ss << '/';
321+
ostringstream oss;
322+
oss << '/';
323323
for (size_t i = 0; i < s->path.size(); ++i) {
324-
ss << s->path.at(i).first;
324+
oss << s->path.at(i).first;
325325
if ((i + 1) != s->path.size())
326-
ss << '/';
326+
oss << '/';
327327
}
328-
ss << "\r\n";
329-
s->wp_conn->send(s->token, ss.str());
328+
oss << "\r\n";
329+
s->wp_conn->send(s->token, oss.str());
330330
}
331331

332332
bool Terminal::Impl::executeRunHistoryCmd(SessionContext *s, const Args &args)
@@ -368,7 +368,7 @@ bool Terminal::Impl::executeRunHistoryCmd(SessionContext *s, const Args &args)
368368

369369
void Terminal::Impl::executeUserCmd(SessionContext *s, const Args &args)
370370
{
371-
stringstream ss;
371+
ostringstream oss;
372372

373373
const auto &cmd = args[0];
374374
auto node_path = s->path;
@@ -378,7 +378,7 @@ void Terminal::Impl::executeUserCmd(SessionContext *s, const Args &args)
378378
auto top_node_token = node_path.empty() ? root_token_ : node_path.back().second;
379379
auto top_node = nodes_.at(top_node_token);
380380
if (top_node == nullptr) {
381-
ss << "Error: '" << cmd << "' node has been deleted.\r\n";
381+
oss << "Error: '" << cmd << "' node has been deleted.\r\n";
382382
} else if (top_node->type() == NodeType::kFunc) {
383383
auto top_func_node = static_cast<FuncNode*>(top_node);
384384
Session session(s->wp_conn, s->token);
@@ -387,10 +387,10 @@ void Terminal::Impl::executeUserCmd(SessionContext *s, const Args &args)
387387
s->path = node_path;
388388
}
389389
} else {
390-
ss << "Error: '" << cmd << "' not found.\r\n";
390+
oss << "Error: '" << cmd << "' not found.\r\n";
391391
}
392392

393-
s->wp_conn->send(s->token, ss.str());
393+
s->wp_conn->send(s->token, oss.str());
394394
}
395395

396396
}

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