diff options
Diffstat (limited to 'src/mnemonics/language_base.h')
| -rw-r--r-- | src/mnemonics/language_base.h | 61 |
1 files changed, 40 insertions, 21 deletions
diff --git a/src/mnemonics/language_base.h b/src/mnemonics/language_base.h index 5ad4211d4..8f0a7a9d3 100644 --- a/src/mnemonics/language_base.h +++ b/src/mnemonics/language_base.h @@ -38,6 +38,7 @@ #include <vector>
#include <unordered_map>
#include <string>
+#include "misc_log_ex.h"
/*!
* \namespace Language
@@ -73,44 +74,62 @@ namespace Language class Base
{
protected:
- std::vector<std::string> *word_list; /*!< A pointer to the array of words */
- std::unordered_map<std::string, uint32_t> *word_map; /*!< hash table to find word's index */
- std::unordered_map<std::string, uint32_t> *trimmed_word_map; /*!< hash table to find word's trimmed index */
+ enum {
+ ALLOW_SHORT_WORDS = 1<<0,
+ ALLOW_DUPLICATE_PREFIXES = 1<<1,
+ };
+ const std::vector<std::string> word_list; /*!< A pointer to the array of words */
+ std::unordered_map<std::string, uint32_t> word_map; /*!< hash table to find word's index */
+ std::unordered_map<std::string, uint32_t> trimmed_word_map; /*!< hash table to find word's trimmed index */
std::string language_name; /*!< Name of language */
uint32_t unique_prefix_length; /*!< Number of unique starting characters to trim the wordlist to when matching */
/*!
* \brief Populates the word maps after the list is ready.
*/
- void populate_maps()
+ void populate_maps(uint32_t flags = 0)
{
int ii;
- std::vector<std::string>::iterator it;
- for (it = word_list->begin(), ii = 0; it != word_list->end(); it++, ii++)
+ std::vector<std::string>::const_iterator it;
+ if (word_list.size () != 1626)
+ throw std::runtime_error("Wrong word list length for " + language_name);
+ for (it = word_list.begin(), ii = 0; it != word_list.end(); it++, ii++)
{
- (*word_map)[*it] = ii;
+ word_map[*it] = ii;
+ if ((*it).size() < unique_prefix_length)
+ {
+ if (flags & ALLOW_SHORT_WORDS)
+ MWARNING(language_name << " word '" << *it << "' is shorter than its prefix length, " << unique_prefix_length);
+ else
+ throw std::runtime_error("Too short word in " + language_name + " word list: " + *it);
+ }
+ std::string trimmed;
if (it->length() > unique_prefix_length)
{
- (*trimmed_word_map)[utf8prefix(*it, unique_prefix_length)] = ii;
+ trimmed = utf8prefix(*it, unique_prefix_length);
}
else
{
- (*trimmed_word_map)[*it] = ii;
+ trimmed = *it;
+ }
+ if (trimmed_word_map.find(trimmed) != trimmed_word_map.end())
+ {
+ if (flags & ALLOW_DUPLICATE_PREFIXES)
+ MWARNING("Duplicate prefix in " << language_name << " word list: " << trimmed);
+ else
+ throw std::runtime_error("Duplicate prefix in " + language_name + " word list: " + trimmed);
}
+ trimmed_word_map[trimmed] = ii;
}
}
public:
- Base()
+ Base(const char *language_name, const std::vector<std::string> &words, uint32_t prefix_length):
+ word_list(words),
+ unique_prefix_length(prefix_length),
+ language_name(language_name)
{
- word_list = new std::vector<std::string>;
- word_map = new std::unordered_map<std::string, uint32_t>;
- trimmed_word_map = new std::unordered_map<std::string, uint32_t>;
- unique_prefix_length = 4;
}
virtual ~Base()
{
- delete word_list;
- delete word_map;
- delete trimmed_word_map;
}
/*!
* \brief Returns a pointer to the word list.
@@ -118,7 +137,7 @@ namespace Language */
const std::vector<std::string>& get_word_list() const
{
- return *word_list;
+ return word_list;
}
/*!
* \brief Returns a pointer to the word map.
@@ -126,7 +145,7 @@ namespace Language */
const std::unordered_map<std::string, uint32_t>& get_word_map() const
{
- return *word_map;
+ return word_map;
}
/*!
* \brief Returns a pointer to the trimmed word map.
@@ -134,13 +153,13 @@ namespace Language */
const std::unordered_map<std::string, uint32_t>& get_trimmed_word_map() const
{
- return *trimmed_word_map;
+ return trimmed_word_map;
}
/*!
* \brief Returns the name of the language.
* \return Name of the language.
*/
- std::string get_language_name() const
+ const std::string &get_language_name() const
{
return language_name;
}
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